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https://issues.apache.org/jira/browse/HBASE-6046?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13286169#comment-13286169
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stack commented on HBASE-6046:
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What you think the fix is Ram?
                
> Master retry on ZK session expiry causes inconsistent region assignments.
> -------------------------------------------------------------------------
>
>                 Key: HBASE-6046
>                 URL: https://issues.apache.org/jira/browse/HBASE-6046
>             Project: HBase
>          Issue Type: Bug
>          Components: master
>    Affects Versions: 0.92.1, 0.94.0
>            Reporter: Gopinathan A
>            Assignee: ramkrishna.s.vasudevan
>             Fix For: 0.92.2, 0.94.1
>
>
> 1> ZK Session timeout in the hmaster leads to bulk assignment though all the 
> RSs are online.
> 2> While doing bulk assignment, if the master again goes down & restart(or 
> backup comes up) all the node created in the ZK will now be tried to reassign 
> to the new RSs. This is leading to double assignment.
> we had 2800 regions, among this 1900 region got double assignment, taking the 
> region count to 4700. 

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