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From "Jean-Daniel Cryans (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HBASE-4280) [replication] ReplicationSink can deadlock itself via handlers
Date Mon, 29 Aug 2011 18:02:38 GMT
[replication] ReplicationSink can deadlock itself via handlers
--------------------------------------------------------------

                 Key: HBASE-4280
                 URL: https://issues.apache.org/jira/browse/HBASE-4280
             Project: HBase
          Issue Type: Improvement
    Affects Versions: 0.90.4
            Reporter: Jean-Daniel Cryans
            Assignee: Jean-Daniel Cryans
             Fix For: 0.90.5


I've experienced this problem a few times, ReplicationSink calls are received through the
normal handlers and potentially can call itself which, in certain situations, call fill up
all the handlers. For example, 10 handlers that are all replication calls are all trying to
talk to the local server at the same time.

HRS.replicateLogEntries should have @QosPriority(priority=HIGH_QOS) to use the other set of
handlers.

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