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From "rajeshbabu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8133) avoid assign for disabling table regions(OPENING/PENDING_OPEN) in SSH
Date Mon, 18 Mar 2013 05:46:15 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8133?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13604887#comment-13604887
] 

rajeshbabu commented on HBASE-8133:
-----------------------------------

bq. This we can solve using table locks then. Enis was asking if we need to use table locks
for the region balancing also. May be we need them so that this race itself is avoided at
the first level. 
Its better to have but table locks are optional right(configurable)? If we dont enable them
this case possible.
                
> avoid assign for disabling table regions(OPENING/PENDING_OPEN) in SSH
> ---------------------------------------------------------------------
>
>                 Key: HBASE-8133
>                 URL: https://issues.apache.org/jira/browse/HBASE-8133
>             Project: HBase
>          Issue Type: Bug
>          Components: Region Assignment
>    Affects Versions: 0.95.0
>            Reporter: rajeshbabu
>            Assignee: rajeshbabu
>             Fix For: 0.98.0
>
>
> Disabling table regions which are in PENDING_OPEN or OPENING on dead server are getting
assigned then unassiging. 
> We can avoid this by just mark OFFLINE for the regions,any way znodes of the transitions
got deleted as part of am.processServerShutdown(serverName). 

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