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From "Gary Tully (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMQ-3956) KahaDB pagefile (db.data) steady growth - BTreeIndex page leak
Date Fri, 07 Mar 2014 10:01:48 GMT

    [ https://issues.apache.org/jira/browse/AMQ-3956?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13923735#comment-13923735
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Gary Tully commented on AMQ-3956:
---------------------------------

If you can provide a unit test that demos the problem on trunk. Please reopen this issue.


> 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: 5.5.1, 5.6.0
>            Reporter: Gary Tully
>            Assignee: Gary Tully
>              Labels: index, kahadb, leak
>             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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