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Posted to dev@phoenix.apache.org by "Istvan Toth (Jira)" <ji...@apache.org> on 2022/12/08 09:47:00 UTC

[jira] [Created] (PHOENIX-6844) Provide multiple IndexRegionSplitPolicy implementations

Istvan Toth created PHOENIX-6844:
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             Summary: Provide multiple IndexRegionSplitPolicy implementations
                 Key: PHOENIX-6844
                 URL: https://issues.apache.org/jira/browse/PHOENIX-6844
             Project: Phoenix
          Issue Type: Wish
          Components: core
            Reporter: Istvan Toth


We currently inherit IndexRegionSplitPolicy from SteppingSplitPolicy, which is the modern HBase default, and provides a good balance between parallelization and conserving the number of regions.

However, users may want to use more or less parallelization for specific tables.

Providing IndexRegionSplitPolicy from IncreasingToUpperBoundRegionSplitPolicy and ConstantSizeRegionSplitPolicy would enable better tuning of split behaviour for tables with local indexes.

We should also add a property to choose the default SplitPolicy for when adding a local index for the first time.



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