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From "Jimmy Xiang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HBASE-8797) Prevent merging regions from moving during online merge
Date Wed, 03 Jul 2013 16:34:20 GMT

     [ https://issues.apache.org/jira/browse/HBASE-8797?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jimmy Xiang updated HBASE-8797:
-------------------------------

      Resolution: Fixed
    Hadoop Flags: Reviewed
          Status: Resolved  (was: Patch Available)

Integrated into trunk and 0.95.
                
> Prevent merging regions from moving during online merge
> -------------------------------------------------------
>
>                 Key: HBASE-8797
>                 URL: https://issues.apache.org/jira/browse/HBASE-8797
>             Project: HBase
>          Issue Type: Bug
>          Components: regionserver
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>             Fix For: 0.98.0, 0.95.2
>
>         Attachments: trunk-8797.patch, trunk-8797_v2.1.patch, trunk-8797_v2.patch
>
>
> When two regions are merged online, they are closed but master doesn't know they should
stay closed during the merge.  If master moves them by mistake, for example, load balancer
kicks in, the merge could be messed up.

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