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https://issues.apache.org/jira/browse/HBASE-15941?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15901891#comment-15901891
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stack commented on HBASE-15941:
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Went over this w/ [~esteban] Needs a good release note on when this new option
would be used. Otherwise +1.
> HBCK repair should not unsplit healthy splitted region
> ------------------------------------------------------
>
> Key: HBASE-15941
> URL: https://issues.apache.org/jira/browse/HBASE-15941
> Project: HBase
> Issue Type: Improvement
> Components: hbck
> Affects Versions: 1.0.0
> Reporter: Stephen Yuan Jiang
> Assignee: Esteban Gutierrez
> Attachments: HBASE-15941.master.001.patch
>
>
> Currently HBCK design in branch-1 has a flaw when repair option (the
> -fixHdfsOverlaps option specifically) is specified: it would wrongly merge
> split region (by looking at HDFS, it thinks that there exists overlapped
> regions - parent region and daughter regions covers the same key range, of
> course). See HBASE-15940 for details.
> This JIRA tracks the improvement not-to-merge split region in HBCK repair.
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