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https://issues.apache.org/jira/browse/QPID-7963?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Keith Wall updated QPID-7963:
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Summary: [AMQP1.0] Transient messages materialise on the heap (even those
that don't flow to disk) (was: [AMQP1.0] Transient messages traverse the heap
(even those that don't flow to disk))
> [AMQP1.0] Transient messages materialise on the heap (even those that don't
> flow to disk)
> -----------------------------------------------------------------------------------------
>
> Key: QPID-7963
> URL: https://issues.apache.org/jira/browse/QPID-7963
> Project: Qpid
> Issue Type: Bug
> Components: Java Broker
> Affects Versions: qpid-java-broker-7.0.0
> Reporter: Keith Wall
>
> Examine heap usage whilst running a large transient message test, I see that
> large AMQP 1.0 messages manifest fully on the heap whilst they traverse the
> Broker. Neither AMQP 0-9 not AMQP 0-10 do this.
> See attached jvisualvm screenshot. The spike at 3.17PM is a 300MB message
> being produced/consumed. Later in the same test (same graph) a 750MB
> message went over AMQP 0-9 and 0-10 messages with no discernible heap impact.
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