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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] [Created] (AMQ-3956) KahaDB pagefile (db.data) steady growth - BTreeIndex page leak
Date Wed, 01 Aug 2012 11:07:03 GMT
Gary Tully created AMQ-3956:
-------------------------------

             Summary: KahaDB pagefile (db.data) steady growth - BTreeIndex page leak
                 Key: AMQ-3956
                 URL: https://issues.apache.org/jira/browse/AMQ-3956
             Project: ActiveMQ
          Issue Type: Bug
    Affects Versions: 5.6.0, 5.5.1
            Reporter: Gary Tully
             Fix For: 5.7.0


There is a page leak in the kahadb BTeeIndex that can result in the pagefile (db.data) growing
steadily. One use case that can reproduce is with durable subs that repeatedly subscribe and
unsubscribe with pending messages.
The problem can occur with particular usage of any btree index so the problem is not confined
to durable subs.

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