org.apache.ignite

## Interface PersistenceMetrics

- All Known Subinterfaces:
    PersistenceMetricsMXBean
  All Known Implementing Classes:
    DataStorageMetricsAdapter

  Deprecated.
  Use `DataStorageMetrics` instead.

      @Deprecated
      public interface PersistenceMetrics

  Persistence metrics used to obtain statistics on persistence.

- - ### Method Summary

    All Methods Instance Methods Abstract Methods Deprecated Methods
    Modifier and Type | Method and Description
    --- | ---
    `long` | `getLastCheckpointCopiedOnWritePagesNumber()` Deprecated. Gets the number of pages copied to a temporary checkpoint buffer during the last checkpoint.
    `long` | `getLastCheckpointDataPagesNumber()` Deprecated. Gets the number of data pages written during the last checkpoint.
    `long` | `getLastCheckpointFsyncDuration()` Deprecated. Gets the duration of the sync phase of the last checkpoint in milliseconds.
    `long` | `getLastCheckpointingDuration()` Deprecated. Gets the duration of the last checkpoint in milliseconds.
    `long` | `getLastCheckpointLockWaitDuration()` Deprecated. Gets the duration of last checkpoint lock wait in milliseconds.
    `long` | `getLastCheckpointMarkDuration()` Deprecated. Gets the duration of last checkpoint mark phase in milliseconds.
    `long` | `getLastCheckpointPagesWriteDuration()` Deprecated. Gets the duration of last checkpoint pages write phase in milliseconds.
    `long` | `getLastCheckpointTotalPagesNumber()` Deprecated. Gets the total number of pages written during the last checkpoint.
    `int` | `getWalArchiveSegments()` Deprecated. Gets the current number of WAL segments in the WAL archive.
    `float` | `getWalFsyncTimeAverage()` Deprecated. Gets the average WAL fsync duration in microseconds over the last time interval.
    `float` | `getWalLoggingRate()` Deprecated. Gets the average number of WAL records per second written during the last time interval.
    `float` | `getWalWritingRate()` Deprecated. Gets the average number of bytes per second written during the last time interval.

- - ### Method Detail

    - #### getWalLoggingRate

          float getWalLoggingRate()

      Deprecated.
      Gets the average number of WAL records per second written during the last time interval.

      The length of time interval is configured via `PersistentStoreConfiguration.setRateTimeInterval(long)` configurartion property. The number of subintervals is configured via `PersistentStoreConfiguration.setSubIntervals(int)` configuration property.

    - #### getWalWritingRate

          float getWalWritingRate()

      Deprecated.
      Gets the average number of bytes per second written during the last time interval. The length of time interval is configured via `PersistentStoreConfiguration.setRateTimeInterval(long)` configurartion property. The number of subintervals is configured via `PersistentStoreConfiguration.setSubIntervals(int)` configuration property.

    - #### getWalArchiveSegments

          int getWalArchiveSegments()

      Deprecated.
      Gets the current number of WAL segments in the WAL archive.

    - #### getWalFsyncTimeAverage

          float getWalFsyncTimeAverage()

      Deprecated.
      Gets the average WAL fsync duration in microseconds over the last time interval.

      The length of time interval is configured via `PersistentStoreConfiguration.setRateTimeInterval(long)` configurartion property. The number of subintervals is configured via `PersistentStoreConfiguration.setSubIntervals(int)` configuration property.

    - #### getLastCheckpointingDuration

          long getLastCheckpointingDuration()

      Deprecated.
      Gets the duration of the last checkpoint in milliseconds.
      Returns:
        Total checkpoint duration in milliseconds.

    - #### getLastCheckpointLockWaitDuration

          long getLastCheckpointLockWaitDuration()

      Deprecated.
      Gets the duration of last checkpoint lock wait in milliseconds.
      Returns:
        Checkpoint lock wait time in milliseconds.

    - #### getLastCheckpointMarkDuration

          long getLastCheckpointMarkDuration()

      Deprecated.
      Gets the duration of last checkpoint mark phase in milliseconds.
      Returns:
        Checkpoint mark duration in milliseconds.

    - #### getLastCheckpointPagesWriteDuration

          long getLastCheckpointPagesWriteDuration()

      Deprecated.
      Gets the duration of last checkpoint pages write phase in milliseconds.
      Returns:
        Checkpoint pages write phase in milliseconds.

    - #### getLastCheckpointFsyncDuration

          long getLastCheckpointFsyncDuration()

      Deprecated.
      Gets the duration of the sync phase of the last checkpoint in milliseconds.
      Returns:
        Checkpoint fsync time in milliseconds.

    - #### getLastCheckpointTotalPagesNumber

          long getLastCheckpointTotalPagesNumber()

      Deprecated.
      Gets the total number of pages written during the last checkpoint.
      Returns:
        Total number of pages written during the last checkpoint.

    - #### getLastCheckpointDataPagesNumber

          long getLastCheckpointDataPagesNumber()

      Deprecated.
      Gets the number of data pages written during the last checkpoint.
      Returns:
        Total number of data pages written during the last checkpoint.

    - #### getLastCheckpointCopiedOnWritePagesNumber

          long getLastCheckpointCopiedOnWritePagesNumber()

      Deprecated.
      Gets the number of pages copied to a temporary checkpoint buffer during the last checkpoint.
      Returns:
        Total number of pages copied to a temporary checkpoint buffer during the last checkpoint.

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Ignite Database and Caching Platform | : ver. 2.9.0
Release Date | : October 15 2020