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From Tomáš Martinec (JIRA) <j...@apache.org>
Subject [jira] [Created] (AMQ-4231) RWLock in queue does not used properly - performance improvement
Date Tue, 18 Dec 2012 13:20:13 GMT
Tomáš Martinec created AMQ-4231:
-----------------------------------

             Summary: RWLock in queue does not used properly - performance improvement
                 Key: AMQ-4231
                 URL: https://issues.apache.org/jira/browse/AMQ-4231
             Project: ActiveMQ
          Issue Type: Bug
          Components: Broker
    Affects Versions: 5.7.0, 5.4.2
         Environment: fedora15; ubuntu 12.10; debian; probably independent
            Reporter: Tomáš Martinec
            Priority: Minor


The full story is in the user forum under title:
Activemq 5.4.2 hangs when the temp disk usage is used

The advantage of RW locks in Queue class is not used much. The cursors objects are synchronized,
so the readers cannot access the queued messages concurrently.

The fixing effort of this issue may not be worth it, but you may consider this issue during
fixing related issues.
 

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