/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.iotdb.db.storageengine.dataregion.compaction;

import org.apache.iotdb.commons.exception.IllegalPathException;
import org.apache.iotdb.commons.exception.MetadataException;
import org.apache.iotdb.commons.path.PartialPath;
import org.apache.iotdb.db.conf.IoTDBDescriptor;
import org.apache.iotdb.db.exception.StorageEngineException;
import org.apache.iotdb.db.storageengine.dataregion.compaction.execute.performer.impl.FastCompactionPerformer;
import org.apache.iotdb.db.storageengine.dataregion.compaction.execute.task.CrossSpaceCompactionTask;
import org.apache.iotdb.db.storageengine.dataregion.compaction.execute.task.InnerSpaceCompactionTask;
import org.apache.iotdb.db.storageengine.dataregion.read.control.FileReaderManager;
import org.apache.iotdb.db.storageengine.dataregion.tsfile.TsFileResource;
import org.apache.iotdb.tsfile.common.conf.TSFileDescriptor;
import org.apache.iotdb.tsfile.exception.write.WriteProcessException;
import org.apache.iotdb.tsfile.file.metadata.PlainDeviceID;
import org.apache.iotdb.tsfile.file.metadata.enums.CompressionType;
import org.apache.iotdb.tsfile.file.metadata.enums.TSDataType;
import org.apache.iotdb.tsfile.file.metadata.enums.TSEncoding;
import org.apache.iotdb.tsfile.read.TimeValuePair;
import org.apache.iotdb.tsfile.read.common.TimeRange;
import org.apache.iotdb.tsfile.write.chunk.AlignedChunkWriterImpl;
import org.apache.iotdb.tsfile.write.chunk.IChunkWriter;
import org.apache.iotdb.tsfile.write.writer.TsFileIOWriter;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Map;

import static org.apache.iotdb.db.storageengine.dataregion.compaction.utils.TsFileGeneratorUtils.createChunkWriter;
import static org.apache.iotdb.db.storageengine.dataregion.compaction.utils.TsFileGeneratorUtils.createCompressionType;
import static org.apache.iotdb.db.storageengine.dataregion.compaction.utils.TsFileGeneratorUtils.createDataType;
import static org.apache.iotdb.db.storageengine.dataregion.compaction.utils.TsFileGeneratorUtils.createEncodingType;
import static org.apache.iotdb.db.storageengine.dataregion.compaction.utils.TsFileGeneratorUtils.createTimeseries;
import static org.apache.iotdb.db.storageengine.dataregion.compaction.utils.TsFileGeneratorUtils.testStorageGroup;
import static org.apache.iotdb.db.storageengine.dataregion.compaction.utils.TsFileGeneratorUtils.writeAlignedChunk;
import static org.apache.iotdb.db.storageengine.dataregion.compaction.utils.TsFileGeneratorUtils.writeOneAlignedPage;
import static org.apache.iotdb.tsfile.common.constant.TsFileConstant.PATH_SEPARATOR;

public class FastAlignedCrossCompactionTest extends AbstractCompactionTest {

  @Before
  public void setUp()
      throws IOException, WriteProcessException, MetadataException, InterruptedException {
    super.setUp();
    IoTDBDescriptor.getInstance().getConfig().setTargetChunkSize(512);
    IoTDBDescriptor.getInstance().getConfig().setTargetChunkPointNum(100);
    TSFileDescriptor.getInstance().getConfig().setMaxNumberOfPointsInPage(30);
    TSFileDescriptor.getInstance().getConfig().setMaxDegreeOfIndexNode(3);
  }

  @After
  public void tearDown() throws IOException, StorageEngineException {
    super.tearDown();
    for (TsFileResource tsFileResource : seqResources) {
      FileReaderManager.getInstance().closeFileAndRemoveReader(tsFileResource.getTsFilePath());
    }
    for (TsFileResource tsFileResource : unseqResources) {
      FileReaderManager.getInstance().closeFileAndRemoveReader(tsFileResource.getTsFilePath());
    }
  }

  @Test
  public void test1() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);

        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter :
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true)) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }
        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 599);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 15;
    measurementNum = 5;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(200L, 2200L));

        for (IChunkWriter iChunkWriter :
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true)) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }
        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 200);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2199);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // seq file 2
    deviceNum = 12;
    measurementNum = 5;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(900L, 1400L));
        pages.add(new TimeRange(1550L, 1700L));
        pages.add(new TimeRange(1750L, 2000L));

        for (IChunkWriter iChunkWriter :
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true)) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }
        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 900);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1999);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 2
    deviceNum = 15;
    measurementNum = 5;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1600L));

        for (IChunkWriter iChunkWriter :
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true)) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }
        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1599);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);

    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test2() throws MetadataException, IOException {
    IoTDBDescriptor.getInstance().getConfig().setChunkPointNumLowerBoundInCompaction(1000);
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(100L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter :
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true)) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }
        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 10;
    measurementNum = 10;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1189L));
        timeRanges.add(new TimeRange(1301L, 1400L));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1800L, 1900L));
        timeRanges.add(new TimeRange(2150L, 2250L));
        timeRanges.add(new TimeRange(2300L, 2500L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 900);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 12;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(0L, 1189L));
        timeRanges.add(new TimeRange(1301L, 2000L));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2100L, 2200L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(550L, 800L));
        timeRanges.add(new TimeRange(1200L, 1300L));
        timeRanges.add(new TimeRange(1500L, 2200L));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 5;
    measurementNum = 7;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1150L));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test3() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(100L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter :
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true)) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }
        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 10;
    measurementNum = 10;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1249L));
        timeRanges.add(new TimeRange(1351L, 1400L));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1800L, 1900L));
        timeRanges.add(new TimeRange(2150L, 2250L));
        timeRanges.add(new TimeRange(2300L, 2500L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 900);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 12;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(0L, 1249L));
        timeRanges.add(new TimeRange(1351L, 2000L));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2100L, 2200L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(550L, 800L));
        timeRanges.add(new TimeRange(1250L, 1350L));
        timeRanges.add(new TimeRange(1500L, 2200L));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 5;
    measurementNum = 7;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1150L));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test4() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 5;
    measurementNum = 7;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2700, 2800));
        timeRanges.add(new TimeRange(2900, 3000));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test5() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2630, 2680));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(4000, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2630);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(2900, 3000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3800, 3900));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3900);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 5;
    measurementNum = 7;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(3100, 3200));
        timeRanges.add(new TimeRange(3300, 3400));
        timeRanges.add(new TimeRange(3450, 3550));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3550);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test6() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2620L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2620);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(4000, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(2900, 3000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3800, 3900));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3900);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 5;
    measurementNum = 7;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2630, 2690));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write third chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(3100, 3200));
        timeRanges.add(new TimeRange(3300, 3400));
        timeRanges.add(new TimeRange(3450, 3550));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3550);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test7() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2, time range of d0.s3~s19 and d1.s3~s19 is 1800 ~ 2650, others is 1800 ~ 2620,
    // which may cause chunk 18 of d0.s0~s2 and d1.s0~s2 will be deserialized, although it is not
    // overlapped with others.
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2620L));

        for (int i = 0; i < iChunkWriters.size(); i++) {
          if (deviceIndex < 2 && i == 3) {
            pages.add(new TimeRange(2621, 2650));
          }
          IChunkWriter iChunkWriter = iChunkWriters.get(i);
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        if (deviceIndex < 2) {
          resource.updateEndTime(
              new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2650);
        } else {
          resource.updateEndTime(
              new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2620);
        }
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(4000, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(2900, 3000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3800, 3900));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3900);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 5;
    measurementNum = 7;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2630, 2690));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write third chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(3100, 3200));
        timeRanges.add(new TimeRange(3300, 3400));
        timeRanges.add(new TimeRange(3450, 3550));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3550);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test8() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2630, 2680));
        pages.add(new TimeRange(2850, 2950));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2630);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(3000, 3100));
        timeRanges.add(new TimeRange(3450, 3550));
        timeRanges.add(new TimeRange(3750, 3850));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3850);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test9() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2620, 2670));
        timeRanges.add(new TimeRange(3000, 3050));
        timeRanges.add(new TimeRange(3450, 3550));
        timeRanges.add(new TimeRange(3750, 3850));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3850);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test10() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2, time range of d0.s3~s19 and d1.s3~s19 is 1800 ~ 2650, others is 1800 ~ 2500,
    // which may cause page 18 of d0.s0~s2 and d1.s0~s2 will be deserialized, although it is not
    // overlapped with others.
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500));

        for (int i = 0; i < iChunkWriters.size(); i++) {
          if (deviceIndex < 2 && i == 3) {
            pages.add(new TimeRange(2501, 2650));
          }
          IChunkWriter iChunkWriter = iChunkWriters.get(i);
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        if (deviceIndex < 2) {
          resource.updateEndTime(
              new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2650);
        } else {
          resource.updateEndTime(
              new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        }
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2620, 2670));
        timeRanges.add(new TimeRange(3000, 3050));
        timeRanges.add(new TimeRange(3450, 3550));
        timeRanges.add(new TimeRange(3750, 3850));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3850);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    validateSeqFiles(true);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test11() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1840, 1900);
        generateModsFile(timeseriesPath, resource, 2150, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2801, 2850);
        generateModsFile(timeseriesPath, resource, 3950, 4100);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1149L));
        timeRanges.add(new TimeRange(1351L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 300, 500);
        generateModsFile(timeseriesPath, resource, 1450, 1650);
        generateModsFile(timeseriesPath, resource, 1700, 1790);
        generateModsFile(timeseriesPath, resource, 1830, 2000);
        generateModsFile(timeseriesPath, resource, 2200, 2260);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2700, 2800);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1850, 2000));
        timeRanges.add(new TimeRange(2100, 2230));
        timeRanges.add(new TimeRange(2240, 2300));
        timeRanges.add(new TimeRange(2399, 2550));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1160, 1250);
        generateModsFile(timeseriesPath, resource, 1850, 2000);
        generateModsFile(timeseriesPath, resource, 2100, 2230);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 5
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1420L, 1800));
        pages.add(new TimeRange(1880, 2250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1200, 1300);
        generateModsFile(timeseriesPath, resource, 1450, 1780);
        generateModsFile(timeseriesPath, resource, 1880, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test12() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 500, 600);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1840, 1900);
        generateModsFile(timeseriesPath, resource, 2150, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2801, 2850);
        generateModsFile(timeseriesPath, resource, 3950, 4100);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1149L));
        timeRanges.add(new TimeRange(1351L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 300, 500);
        generateModsFile(timeseriesPath, resource, 1450, 1650);
        generateModsFile(timeseriesPath, resource, 1700, 1790);
        generateModsFile(timeseriesPath, resource, 1830, 2000);
        generateModsFile(timeseriesPath, resource, 2200, 2260);
        generateModsFile(timeseriesPath, resource, 1700, 2000);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2700, 2800);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1850, 2000));
        timeRanges.add(new TimeRange(2100, 2230));
        timeRanges.add(new TimeRange(2240, 2300));
        timeRanges.add(new TimeRange(2399, 2550));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1160, 1250);
        generateModsFile(timeseriesPath, resource, 1850, 2000);
        generateModsFile(timeseriesPath, resource, 2100, 2230);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 5
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1420L, 1800));
        pages.add(new TimeRange(1880, 2250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1200, 1300);
        generateModsFile(timeseriesPath, resource, 1450, 1780);
        generateModsFile(timeseriesPath, resource, 1880, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test13() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 500, 600);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1840, 1900);
        generateModsFile(timeseriesPath, resource, 2150, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2801, 2850);
        generateModsFile(timeseriesPath, resource, 3950, 4100);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1149L));
        timeRanges.add(new TimeRange(1351L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 300, 500);
        generateModsFile(timeseriesPath, resource, 1450, 1650);
        generateModsFile(timeseriesPath, resource, 1700, 1790);
        generateModsFile(timeseriesPath, resource, 1830, 2000);
        generateModsFile(timeseriesPath, resource, 2200, 2260);
        generateModsFile(timeseriesPath, resource, 1700, 2000);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2700, 2800);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1850, 2000));
        timeRanges.add(new TimeRange(2100, 2230));
        timeRanges.add(new TimeRange(2240, 2300));
        timeRanges.add(new TimeRange(2399, 2550));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1160, 1250);
        generateModsFile(timeseriesPath, resource, 1850, 2000);
        generateModsFile(timeseriesPath, resource, 2100, 2230);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 5
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1420L, 1800));
        pages.add(new TimeRange(1880, 2250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1200, 1300);
        generateModsFile(timeseriesPath, resource, 1420, 1800);
        generateModsFile(timeseriesPath, resource, 1880, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test14() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 500, 600);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1840, 1900);
        generateModsFile(timeseriesPath, resource, 2150, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2801, 2850);
        generateModsFile(timeseriesPath, resource, 3950, 4100);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1149L));
        timeRanges.add(new TimeRange(1351L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 300, 500);
        generateModsFile(timeseriesPath, resource, 1450, 1650);
        generateModsFile(timeseriesPath, resource, 1700, 1790);
        generateModsFile(timeseriesPath, resource, 1830, 2000);
        generateModsFile(timeseriesPath, resource, 2200, 2260);
        generateModsFile(timeseriesPath, resource, 1700, 2000);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2700, 2800);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1850, 2000));
        timeRanges.add(new TimeRange(2100, 2230));
        timeRanges.add(new TimeRange(2240, 2300));
        timeRanges.add(new TimeRange(2399, 2550));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1160, 1250);
        generateModsFile(timeseriesPath, resource, 1850, 2000);
        generateModsFile(timeseriesPath, resource, 2100, 2230);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 5
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1420L, 1800));
        pages.add(new TimeRange(1880, 2250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1200, 1300);
        generateModsFile(timeseriesPath, resource, 1420, 1800);
        generateModsFile(timeseriesPath, resource, 1880, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 6
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2800, 4010);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test15() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 500, 600);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1840, 1900);
        generateModsFile(timeseriesPath, resource, 2150, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2801, 2850);
        generateModsFile(timeseriesPath, resource, 3950, 4100);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1149L));
        timeRanges.add(new TimeRange(1351L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 300, 500);
        generateModsFile(timeseriesPath, resource, 1450, 1650);
        generateModsFile(timeseriesPath, resource, 2200, 2260);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 2700, 2800);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1050L, 1250L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1850, 2000));
        timeRanges.add(new TimeRange(2100, 2230));
        timeRanges.add(new TimeRange(2240, 2300));
        timeRanges.add(new TimeRange(2399, 2550));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1160, 1250);
        generateModsFile(timeseriesPath, resource, 1850, 2000);
        generateModsFile(timeseriesPath, resource, 2100, 2230);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 5
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1420L, 1800));
        pages.add(new TimeRange(1880, 2250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);

        generateModsFile(timeseriesPath, resource, 1200, 1300);
        generateModsFile(timeseriesPath, resource, 1420, 1800);
        generateModsFile(timeseriesPath, resource, 1880, 2250);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test16() throws IOException, IllegalPathException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0, 99));
        pages.add(new TimeRange(100, 199));
        pages.add(new TimeRange(200, 300));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(500, 600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 12;
    measurementNum = 5;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(900, 1400, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(1550, 1700, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(1750, 2000, 60);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 900);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 12;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(200, 2200, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 200);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(550, 800, 70);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(1200, 1300, 200);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(1500, 1600, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test17() throws IOException, IllegalPathException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(100, 300, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(500, 600, 30);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 10;
    measurementNum = 10;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(900, 1199, 100);
        pages.addAll(createPages(1301, 1400, 100));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(1800, 1900, 200);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(2150, 2250, 60);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write forth chunk
        pages = createPages(2300, 2500, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 900);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 12;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(0, 1199, 50);
        pages.addAll(createPages(1301, 2000, 100));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(2100, 2200, 60);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(550, 800, 70);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(1200, 1300, 60);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(1500, 2200, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 5;
    measurementNum = 7;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(350, 400, 70);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(550, 700, 100);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(1050, 1150, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1150);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test18() throws IOException, IllegalPathException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(0, 300, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(500, 600, 30);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 12;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(900, 1199, 100);
        pages.addAll(createPages(1301, 1400, 100));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }
        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 900);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(1800, 1900, 30);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(2150, 2250, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(2400, 2500, 100);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 13;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(100, 1199, 50);
        pages.addAll(createPages(1301, 1650, 100));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(1700, 2000, 60);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 10;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(2200, 2400, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(2500, 2600, 90);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(550, 800, 70);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(1200, 1300, 100);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(1500, 1750, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write forth chunk
        pages = createPages(1850, 2200, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(350, 400, 25);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(550, 700, 100);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(1050, 1250, 50);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 5
    deviceNum = 10;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(2700, 2800, 25);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(2900, 3000, 100);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 3000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test19() throws MetadataException, IOException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0L, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1400L));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, true);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 5;
    measurementNum = 20;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(1800L, 1900L));
        pages.add(new TimeRange(2150L, 2250L));
        pages.add(new TimeRange(2400L, 2500L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 1800);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 3
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2801, 2850));
        pages.add(new TimeRange(2851, 2900));
        pages.add(new TimeRange(3300, 3400));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3950, 4100));
        pages.add(new TimeRange(4200, 4300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2801);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 20;
    measurementNum = 10;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(100L, 1199L));
        timeRanges.add(new TimeRange(1301L, 1650L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);
          writeOneAlignedPage(
              (AlignedChunkWriterImpl) iChunkWriter,
              Collections.singletonList(new TimeRange(1700, 2000)),
              false);
          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2200, 2400));
        timeRanges.add(new TimeRange(2500, 2600));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(2700, 2800));
        pages.add(new TimeRange(3150, 3250));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages.clear();
        pages.add(new TimeRange(3600, 3700));
        pages.add(new TimeRange(3900, 4000));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2700);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 4000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(550L, 800L));
        pages.add(new TimeRange(1200L, 1300L));
        pages.add(new TimeRange(1500L, 1750L));
        pages.add(new TimeRange(1850L, 2200));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 550);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2200);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 4
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);
        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(350L, 400L));
        timeRanges.add(new TimeRange(550L, 700L));
        timeRanges.add(new TimeRange(1250L, 1550L));

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2620, 2670));
        timeRanges.add(new TimeRange(3000, 3050));
        timeRanges.add(new TimeRange(3450, 3550));
        timeRanges.add(new TimeRange(3750, 3850));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 350);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 3850);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test20() throws IOException, IllegalPathException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(300, 600, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages = createPages(700, 1000, 30);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write third chunk
        pages = createPages(1100, 1400, 80);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 300);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 15;
    measurementNum = 15;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(1600, 1900, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages = createPages(1950, 2250, 40);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1600);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2250);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 18;
    measurementNum = 18;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(0, 2000, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 2000);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 13;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(100, 400, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(500, 800, 90);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 100);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 800);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 3
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(450, 950, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(1100, 1920, 90);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 450);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1920);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test21() throws IOException, IllegalPathException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0, 200));
        pages.add(new TimeRange(350, 450));
        pages.add(new TimeRange(600, 800));
        pages.add(new TimeRange(900, 1100));
        pages.add(new TimeRange(1400, 1600));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 15;
    measurementNum = 5;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          // first page
          timeRanges.clear();
          timeRanges.add(new TimeRange(0, 0));
          timeRanges.add(new TimeRange(200, 200));
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);

          // second page
          timeRanges.clear();
          timeRanges.add(new TimeRange(300, 300));
          timeRanges.add(new TimeRange(500, 500));
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);

          // third page
          timeRanges.clear();
          timeRanges.add(new TimeRange(650, 650));
          timeRanges.add(new TimeRange(750, 750));
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);

          // forth page
          timeRanges.clear();
          timeRanges.add(new TimeRange(1000, 1000));
          timeRanges.add(new TimeRange(1200, 1200));
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);

          // fifth page
          timeRanges.clear();
          timeRanges.add(new TimeRange(1300, 1300));
          timeRanges.add(new TimeRange(1500, 1500));
          writeOneAlignedPage((AlignedChunkWriterImpl) iChunkWriter, timeRanges, false);

          iChunkWriter.writeToFileWriter(tsFileIOWriter);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1500);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test22() throws IOException, IllegalPathException {
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(0, 1000, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write second chunk
        pages = createPages(1100, 1200, 30);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        // write third chunk
        pages = createPages(1300, 1400, 80);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1400);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 15;
    measurementNum = 5;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(50, 250, 100);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(300, 500, 60);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(550, 650, 60);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write forth chunk
        pages = createPages(950, 1450, 45);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 50);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1450);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 12;
    measurementNum = 12;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> pages = createPages(700, 800, 50);

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write second chunk
        pages = createPages(850, 1350, 90);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        // write third chunk
        pages = createPages(1500, 1600, 30);

        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 700);
        resource.updateEndTime(
            new PlainDeviceID(testStorageGroup + PATH_SEPARATOR + "d" + deviceIndex), 1600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  @Test
  public void test23() throws MetadataException, IOException {
    IoTDBDescriptor.getInstance().getConfig().setChunkPointNumLowerBoundInCompaction(1000);
    List<PartialPath> timeserisPathList = new ArrayList<>();
    List<TSDataType> tsDataTypes = new ArrayList<>();
    // seq file 1
    int deviceNum = 10;
    int measurementNum = 10;
    TsFileResource resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        List<TimeRange> pages = new ArrayList<>();
        pages.add(new TimeRange(0, 300L));
        pages.add(new TimeRange(500L, 600L));

        for (IChunkWriter iChunkWriter :
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true)) {
          writeAlignedChunk((AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, pages, true);
        }
        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 0);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 600);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // seq file 2
    deviceNum = 12;
    measurementNum = 5;
    resource = createEmptyFileAndResource(true);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(900L, 1200L));
        timeRanges.add(new TimeRange(1350, 1700));
        timeRanges.add(new TimeRange(1750, 2000));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, true);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2220, 2300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, true);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 900);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    seqResources.add(resource);

    // unseq file 1
    deviceNum = 12;
    measurementNum = 15;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(500, 950));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1000, 1320));
        timeRanges.add(new TimeRange(1400, 1850));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write third chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(2000, 2200));
        timeRanges.add(new TimeRange(2220, 2300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 500);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // unseq file 2
    deviceNum = 20;
    measurementNum = 20;
    resource = createEmptyFileAndResource(false);
    try (TsFileIOWriter tsFileIOWriter = new TsFileIOWriter(resource.getTsFile())) {
      // write the data in device
      for (int deviceIndex = 0; deviceIndex < deviceNum; deviceIndex++) {
        tsFileIOWriter.startChunkGroup(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex));

        List<TSDataType> dataTypes = createDataType(measurementNum);
        List<TSEncoding> encodings = createEncodingType(measurementNum);
        List<CompressionType> compressionTypes = createCompressionType(measurementNum);
        List<Integer> measurementIndexes = new ArrayList<>();
        for (int i = 0; i < measurementNum; i++) {
          measurementIndexes.add(i);
        }
        List<PartialPath> timeseriesPath =
            createTimeseries(deviceIndex, measurementIndexes, dataTypes, true);

        // write first chunk
        List<TimeRange> timeRanges = new ArrayList<>();
        timeRanges.add(new TimeRange(500, 800));
        timeRanges.add(new TimeRange(850, 950));

        List<IChunkWriter> iChunkWriters =
            createChunkWriter(timeseriesPath, dataTypes, encodings, compressionTypes, true);
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        // write second chunk
        timeRanges.clear();
        timeRanges.add(new TimeRange(1000, 1300));
        timeRanges.add(new TimeRange(1400, 1850));
        timeRanges.add(new TimeRange(2220, 2300));
        for (IChunkWriter iChunkWriter : iChunkWriters) {
          writeAlignedChunk(
              (AlignedChunkWriterImpl) iChunkWriter, tsFileIOWriter, timeRanges, false);
        }

        tsFileIOWriter.endChunkGroup();
        resource.updateStartTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 500);
        resource.updateEndTime(
            new PlainDeviceID(COMPACTION_TEST_SG + PATH_SEPARATOR + "d" + deviceIndex), 2300);
        timeserisPathList.addAll(timeseriesPath);
        tsDataTypes.addAll(dataTypes);
      }
      tsFileIOWriter.endFile();
    }
    resource.serialize();
    unseqResources.add(resource);

    // start compacting
    tsFileManager.addAll(seqResources, true);
    tsFileManager.addAll(unseqResources, false);

    Map<PartialPath, List<TimeValuePair>> sourceDatas =
        readSourceFiles(createTimeseries(maxDeviceNum, maxMeasurementNum, true), tsDataTypes);
    CrossSpaceCompactionTask task =
        new CrossSpaceCompactionTask(
            0,
            tsFileManager,
            seqResources,
            unseqResources,
            new FastCompactionPerformer(true),
            0,
            0);
    Assert.assertTrue(task.start());

    validateSeqFiles(true);

    validateTargetDatas(sourceDatas, tsDataTypes);

    InnerSpaceCompactionTask innerTask =
        new InnerSpaceCompactionTask(
            0,
            tsFileManager,
            tsFileManager.getTsFileList(true),
            true,
            new FastCompactionPerformer(false),
            0);
    Assert.assertTrue(innerTask.start());
    validateSeqFiles(true);
    validateTargetDatas(sourceDatas, tsDataTypes);
  }

  private List<TimeRange> createPages(long startTime, long endTime, int pagePointNum) {
    List<TimeRange> pages = new ArrayList<>();
    for (long i = startTime; i <= endTime; i += pagePointNum) {
      long pageEndTime = Math.min(i + pagePointNum - 1, endTime);
      pages.add(new TimeRange(i, pageEndTime));
    }
    return pages;
  }
}
