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From lars hofhansl <la...@apache.org>
Subject Re: Replication hosed after simple cluster restart
Date Thu, 14 Mar 2013 01:22:11 GMT
I suppose the problem could be in zkHelper.copyQueuesFromRSUsingMulti(rsZnode) as called from
ReplicationSourceManager.NodeFailoverWorker.run().
copyQueuesFromRSUsingMulti will return the queues it read even when the multi operation failed
(because another RS managed to execute it first).

-- Lars



________________________________
 From: lars hofhansl <larsh@apache.org>
To: hbase-dev <dev@hbase.apache.org> 
Sent: Wednesday, March 13, 2013 6:12 PM
Subject: Replication hosed after simple cluster restart
 
We just ran into an interesting scenario. We restarted a cluster that was setup as a replication
source.
The stop went cleanly.

Upon restart *all* regionservers aborted within a few seconds with variations of these errors:
http://pastebin.com/3iQVuBqS

This is scary!

-- Lars
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