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From "Lars Hofhansl (Commented) (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-5677) The master never does balance because duplicate openhandled the one region
Date Wed, 11 Apr 2012 20:07:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13251880#comment-13251880
] 

Lars Hofhansl commented on HBASE-5677:
--------------------------------------

@xufeng: OK, thanks. This is caused by the client?

Back to my previous comment. I think a good definition for declaring the master "running"
is when it is fully initialized. I'd still just add this extra check to isMasterRunning. Is
anything failing with that? If so I'd like to understand why?

BTW. This is the only issue holding up the next RC for the first 0.94 release.
                
> The master never does balance because duplicate openhandled the one region
> --------------------------------------------------------------------------
>
>                 Key: HBASE-5677
>                 URL: https://issues.apache.org/jira/browse/HBASE-5677
>             Project: HBase
>          Issue Type: Bug
>    Affects Versions: 0.90.6
>         Environment: 0.90
>            Reporter: xufeng
>            Assignee: xufeng
>             Fix For: 0.90.7, 0.92.2, 0.94.0, 0.96.0
>
>         Attachments: HBASE-5677-90-v1.patch, surefire-report_no_patched_v1.html, surefire-report_patched_v1.html
>
>
> If region be assigned When the master is doing initialization(before do processFailover),the
region will be duplicate openhandled.
> because the unassigned node in zookeeper will be handled again in AssignmentManager#processFailover()
> it cause the region in RIT,thus the master never does balance.

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