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From "Gopinathan A (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-6046) Master retry on ZK session expiry causes inconsistent region assignments.
Date Fri, 18 May 2012 13:20:06 GMT
Gopinathan A created HBASE-6046:
-----------------------------------

             Summary: 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: 0.94.0, 0.92.1
            Reporter: Gopinathan A
             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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