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https://issues.apache.org/jira/browse/QPID-6726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alex Rudyy resolved QPID-6726.
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Resolution: Fixed
Fix Version/s: qpid-java-6.0
> Change flow to disk trigger to consider direct memory occupancy
> ---------------------------------------------------------------
>
> Key: QPID-6726
> URL: https://issues.apache.org/jira/browse/QPID-6726
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: qpid-java-6.0
> Reporter: Alex Rudyy
> Assignee: Alex Rudyy
> Fix For: qpid-java-6.0
>
>
> Currently, flow to disk to triggers when a queue/virtualhost breaches a
> target size where the target size is 40% of the Broker's maxMemory.
> Message payload/headers are now stored in direct memory so considering the
> occupancy of heap is no longer appropriate. We need to change the algorithm
> to consider direct memory occupancy or the occupancy of the buffers allocated
> within direct memory.
> Note: We need to ensure that we leave sufficient direct memory for other
> usages such as Jetty.
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