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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] Created: (HBASE-3596) [replication] Wait a few seconds before transferring queues
Date Thu, 03 Mar 2011 21:16:45 GMT
[replication] Wait a few seconds before transferring queues 
------------------------------------------------------------

                 Key: HBASE-3596
                 URL: https://issues.apache.org/jira/browse/HBASE-3596
             Project: HBase
          Issue Type: Improvement
    Affects Versions: 0.90.1
            Reporter: Jean-Daniel Cryans
            Assignee: Jean-Daniel Cryans
             Fix For: 0.90.2


ReplicationSourceManager.transferQueues is running a little too fast at the moment and this
has the bad side effect of making us run into HBASE-2611 at almost every cluster restart.
The reason is that some servers might shut down faster than others so that the last RS that
are notified will at the same time see their friends dying, and will try to pick their queues.
What happens then is that they also get told to shutdown and might be able to close their
ZK session before the queue transfer process is completed, which is what 2611 is about.

Currently the only to fix to that is to delete the lock znode by hand and bounce a region
server so that it picks up the queue on startup.

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