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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 Tue, 10 Apr 2012 23:55:17 GMT

    [ https://issues.apache.org/jira/browse/HBASE-5677?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13251189#comment-13251189
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Lars Hofhansl commented on HBASE-5677:
--------------------------------------

bq. public boolean isMasterRunning() { return !isStopped() && isInitialized(); } But
Some class like HMerge,this tool just care the master is running or not.

Is that actually a problem? HMerge would need to wait until the master is initialized. Seems
generally a better a better condition for "running" than just having the process up.
                
> 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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