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https://issues.apache.org/jira/browse/AMQ-7084?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16686706#comment-16686706
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ASF subversion and git services commented on AMQ-7084:
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Commit deb87353c41a4bef41346d27b8c7ad4c1ab21bef in activemq's branch
refs/heads/activemq-5.15.x from gtully
[ https://git-wip-us.apache.org/repos/asf?p=activemq.git;h=deb8735 ]
AMQ-7084 - ensure allocated and unused free pages are visible to subsequent
transactions, fix and test with test updates to reflect proper usage
(cherry picked from commit 8a1abd9bb2744de70af11053f1755116c40ec55f)
> Kahadb pagefile, allocated and unused pages from read only transactions are
> leaked
> ----------------------------------------------------------------------------------
>
> Key: AMQ-7084
> URL: https://issues.apache.org/jira/browse/AMQ-7084
> Project: ActiveMQ
> Issue Type: Bug
> Components: KahaDB
> Affects Versions: 5.15.0
> Reporter: Gary Tully
> Assignee: Gary Tully
> Priority: Major
> Fix For: 5.16.0
>
>
> The work in AMQ-7080 to checkpoint the free list has identified a case where
> the free list is not updated to reflect the disk state of an allocated free
> page. This can lead to a free page leak in error. In practice this pattern of
> usage is not widely used, but it is relevant when the free page list is being
> tracked and failure can be arbitrary. It is important that an accurate
> reflection of the current state is being checkpointed.
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