Keith Wall created QPID-7963:
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Summary: [AMQP1.0] Transient messages traverse 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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