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https://issues.apache.org/jira/browse/PHOENIX-3609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15853641#comment-15853641
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Ankit Singhal commented on PHOENIX-3609:
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Thanks [~rajeshbabu] for the review. committed to master and 4.x branches.
> Detect and fix corrupted local index region during compaction
> -------------------------------------------------------------
>
> Key: PHOENIX-3609
> URL: https://issues.apache.org/jira/browse/PHOENIX-3609
> Project: Phoenix
> Issue Type: Bug
> Affects Versions: 4.8.0
> Reporter: Ankit Singhal
> Assignee: Ankit Singhal
> Fix For: 4.10.0
>
> Attachments: PHOENIX-3609.patch, PHOENIX-3609_v1.patch
>
>
> Local index regions can be corrupted when hbck is run to fix the overlap
> regions and directories are simply merged for them to create a single region.
> we can detect this during compaction by looking at the start keys of each
> store files and comparing prefix with region start key. if local index for
> the region is found inconsistent, we will read the store files of
> corresponding data region and recreate a data.
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