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https://issues.apache.org/jira/browse/PHOENIX-2737?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15178470#comment-15178470
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James Taylor commented on PHOENIX-2737:
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+1 for second solution.
> Make sure local indexes work properly after fixing region overlaps by HBCK.
> ---------------------------------------------------------------------------
>
> Key: PHOENIX-2737
> URL: https://issues.apache.org/jira/browse/PHOENIX-2737
> Project: Phoenix
> Issue Type: Bug
> Reporter: Rajeshbabu Chintaguntla
> Assignee: Rajeshbabu Chintaguntla
> Fix For: 4.8.0
>
>
> When there are region overlaps hbck fix by moving hfiles of overlap regions
> to new region of common key of overlap regions. Then we might not properly
> replace region start key in HFiles in that case. In this case we don't have
> any relation of parent child region in hbase:meta so we cannot identify the
> start key in HFiles. To fix this we need to add separator after region
> start key so that we can easily identify start key in HFile without always
> touching hbase:meta. So when we create scanners for the Storefiles we can
> check the region start key in hfile with region start key and if any change
> we can just replace the old start key with current region start key. During
> compaction we can properly replace the start key with actual key values.
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