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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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