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From "Nicolas Spiegelberg (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-5890) SplitLog Rescan BusyWaits upon Zk.CONNECTIONLOSS
Date Fri, 27 Apr 2012 18:44:49 GMT
Nicolas Spiegelberg created HBASE-5890:

             Summary: SplitLog Rescan BusyWaits upon Zk.CONNECTIONLOSS
                 Key: HBASE-5890
                 URL: https://issues.apache.org/jira/browse/HBASE-5890
             Project: HBase
          Issue Type: Bug
            Reporter: Nicolas Spiegelberg
            Priority: Minor

We ran into a production issue yesterday where the SplitLogManager tried to create a Rescan
node in ZK.  The createAsync() generated a KeeperException.CONNECTIONLOSS that was immedately
sent to processResult(), createRescan node with --retry_count was called, and this created
a CPU busywait that also clogged up the logs.  We should handle this better.

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