Alex Rudyy created QPID-6726:
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Summary: 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
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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