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Date: Tue, 25 Jun 2013 03:37:20 +0000 (UTC)
From: "chunhui shen (JIRA)" <jira@apache.org>
To: issues@hbase.apache.org
Message-ID: <JIRA.12654561.1372098285120.169540.1372131440865@arcas>
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Subject: [jira] [Commented] (HBASE-8797) Prevent merging regions from moving
 during online merge
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    [ https://issues.apache.org/jira/browse/HBASE-8797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13692719#comment-13692719 ] 

chunhui shen commented on HBASE-8797:
-------------------------------------

If a region has been closed on the RegionServer when merging, it won't be moved.
                
> 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
>
> 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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