## Uses of Class
org.apache.lucene.benchmark.byTask.tasks.PerfTask

- Packages that use PerfTask
  Package | Description
  --- | ---
  org.apache.lucene.benchmark.byTask.stats | Statistics maintained when running benchmark tasks.
  org.apache.lucene.benchmark.byTask.tasks | Extendable benchmark tasks.

- - ### Uses of PerfTask in org.apache.lucene.benchmark.byTask.stats

    Methods in org.apache.lucene.benchmark.byTask.stats that return PerfTask
    Modifier and Type | Method and Description
    --- | ---
    `PerfTask` | TaskStats.`getTask()`

    Methods in org.apache.lucene.benchmark.byTask.stats with parameters of type PerfTask
    Modifier and Type | Method and Description
    --- | ---
    `TaskStats` | Points.`markTaskStart(PerfTask task, int round)` Mark that a task is starting.

  - ### Uses of PerfTask in org.apache.lucene.benchmark.byTask.tasks

    Subclasses of PerfTask in org.apache.lucene.benchmark.byTask.tasks
    Modifier and Type | Class and Description
    --- | ---
    `class` | `AddDocTask` Add a document, optionally with of a certain size.
    `class` | `ClearStatsTask` Clear statistics data.
    `class` | `CloseIndexTask` Close index writer.
    `class` | `CloseReaderTask` Close index reader.
    `class` | `CommitIndexTask` Commits the IndexWriter.
    `class` | `ConsumeContentSourceTask` Consumes a `ContentSource`.
    `class` | `CreateIndexTask` Create an index.
    `class` | `DeleteByPercentTask` Deletes a percentage of documents from an index randomly over the number of documents.
    `class` | `DeleteDocTask` Delete a document by docid.
    `class` | `FlushReaderTask`
    `class` | `NearRealtimeReaderTask` Spawns a BG thread that periodically (defaults to 3.0 seconds, but accepts param in seconds) wakes up and asks IndexWriter for a near real-time reader.
    `class` | `NewAnalyzerTask` Create a new `Analyzer` and set it it in the getRunData() for use by all future tasks.
    `class` | `NewRoundTask` Increment the counter for properties maintained by Round Number.
    `class` | `OpenIndexTask` Open an index writer.
    `class` | `OpenReaderTask` Open an index reader.
    `class` | `OptimizeTask` Optimize the index.
    `class` | `PrintReaderTask`
    `class` | `ReadTask` Read index (abstract) task.
    `class` | `ReadTokensTask` Simple task to test performance of tokenizers.
    `class` | `ReopenReaderTask` Reopens IndexReader and closes old IndexReader.
    `class` | `RepAllTask` Report all statistics with no aggregations.
    `class` | `ReportTask` Report (abstract) task - all report tasks extend this task.
    `class` | `RepSelectByPrefTask` Report by-name-prefix statistics with no aggregations.
    `class` | `RepSumByNameRoundTask` Report all statistics grouped/aggregated by name and round.
    `class` | `RepSumByNameTask` Report all statistics aggregated by name.
    `class` | `RepSumByPrefRoundTask` Report all prefix matching statistics grouped/aggregated by name and round.
    `class` | `RepSumByPrefTask` Report by-name-prefix statistics aggregated by name.
    `class` | `ResetInputsTask` Reset inputs so that the test run would behave, input wise, as if it just started.
    `class` | `ResetSystemEraseTask` Reset all index and input data and call gc, erase index and dir, does NOT clear statistics.
    `class` | `ResetSystemSoftTask` Reset all index and input data and call gc, does NOT erase index/dir, does NOT clear statistics.
    `class` | `SearchTask` Search task.
    `class` | `SearchTravRetHighlightTask` Search and Traverse and Retrieve docs task.
    `class` | `SearchTravRetLoadFieldSelectorTask` Search and Traverse and Retrieve docs task using a SetBasedFieldSelector.
    `class` | `SearchTravRetTask` Search and Traverse and Retrieve docs task.
    `class` | `SearchTravRetVectorHighlightTask` Search and Traverse and Retrieve docs task.
    `class` | `SearchTravTask` Search and Traverse task.
    `class` | `SearchWithSortTask` Does sort search on specified field.
    `class` | `SetPropTask` Set a performance test configuration property.
    `class` | `TaskSequence` Sequence of parallel or sequential tasks.
    `class` | `UpdateDocTask` Update a document, using IndexWriter.updateDocument, optionally with of a certain size.
    `class` | `WarmTask` Warm reader task: retrieve all reader documents.
    `class` | `WriteLineDocTask` A task which writes documents, one line per document.

    Methods in org.apache.lucene.benchmark.byTask.tasks with parameters of type PerfTask
    Modifier and Type | Method and Description
    --- | ---
    `void` | TaskSequence.`addTask(PerfTask task)`

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