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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] [Updated] (PHOENIX-6844) Provide multiple IndexRegionSplitPolicy implementations

     [ https://issues.apache.org/jira/browse/PHOENIX-6844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Istvan Toth updated PHOENIX-6844:
---------------------------------
    Labels: beginner  (was: )

> 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
>            Priority: Major
>              Labels: beginner
>
> 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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