# Package org.apache.lucene.benchmark

Lucene Benchmarking Package

See: Description

- Class Summary
  Class | Description
  --- | ---
  Constants | Various benchmarking constants (mostly defaults)

## Package org.apache.lucene.benchmark Description

Lucene Benchmarking Package

The benchmark contribution contains tools for benchmarking Lucene using standard, freely available corpora.

ANT will download the corpus automatically, place it in a temp directory and then unpack it to the working.dir directory specified in the build. The temp directory and working directory can be safely removed after a run. However, the next time the task is run, it will need to download the files again.

Classes implementing the Benchmarker interface should have a no-argument constructor if they are to be used with the Driver class. The Driver class is provided for convenience only. Feel free to implement your own main class for your benchmarker.

The StandardBenchmarker is meant to be just that, a standard that runs out of the box with no configuration or changes needed. Other benchmarking classes may derive from it to provide alternate views or to take in command line options. When reporting benchmarking runs you should state any alterations you have made.

To run the short version of the StandardBenchmarker, call "ant run-micro-standard". This should take a minute or so to complete and give you a preliminary idea of how your change affects the code.

To run the long version of the StandardBenchmarker, call "ant run-standard". This takes considerably longer.

The original code for these classes was donated by Andrzej Bialecki at http://issues.apache.org/jira/browse/LUCENE-675 and has been updated by Grant Ingersoll to make some parts of the code reusable in other benchmarkers

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