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Posted to issues@hbase.apache.org by "stack (JIRA)" <ji...@apache.org> on 2019/08/02 06:40:00 UTC

[jira] [Updated] (HBASE-22777) Add a multi-region merge (for fixing overlaps, etc.)

     [ https://issues.apache.org/jira/browse/HBASE-22777?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

stack updated HBASE-22777:
--------------------------
    Summary: Add a multi-region merge (for fixing overlaps, etc.)  (was: Add a multi-region merge (for fixing overlaps))

> Add a multi-region merge (for fixing overlaps, etc.)
> ----------------------------------------------------
>
>                 Key: HBASE-22777
>                 URL: https://issues.apache.org/jira/browse/HBASE-22777
>             Project: HBase
>          Issue Type: Sub-task
>          Components: hbck2, proc-v2
>            Reporter: stack
>            Assignee: stack
>            Priority: Major
>         Attachments: HBASE-22777.master.001.patch
>
>
> MergeTableRegionProcedure does two regions at a time only. We have hardcoded notion that merge has an 'A' and 'B' parent.
> This issue is about making it so we merge N regions all in the one go. We need this facility generally; will simplify operator's life being able to merge up in one go rather than in steps of two. In particular, would make fixing overlaps easier if could just merge all regions in the overlapping area.



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