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From "Keith Wall (JIRA)" <j...@apache.org>
Subject [jira] [Created] (QPID-7016) BDB JE cleaner can make no progress allowing for unbounded store growth
Date Fri, 22 Jan 2016 13:30:39 GMT
Keith Wall created QPID-7016:
--------------------------------

             Summary: BDB JE cleaner can make no progress allowing for unbounded store growth
                 Key: QPID-7016
                 URL: https://issues.apache.org/jira/browse/QPID-7016
             Project: Qpid
          Issue Type: Bug
          Components: Java Broker
            Reporter: Keith Wall
            Priority: Critical


A user on a 0.32 derivative (including QPID-6734) encountered a problem where the store continued
to grow (3GB per hour) even though messages were not accumulating within the Broker.

Analysis with the showed the the BDB JE cleaner was making no progress and in particular,
JE's getEnvironmentStats() revealed that lnSizeCorrectionFactor had fallen to 0.079.  On restarting
the Broker, the store size shrunk back to a normal size.  (Java Broker's Recovery evicted
no messages).

More details here:

https://community.oracle.com/message/13647939#13647939




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