potential OOM (OutOfMemory) on consumer when all prefetched messages expire
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Key: AMQ-2265
URL: https://issues.apache.org/activemq/browse/AMQ-2265
Project: ActiveMQ
Issue Type: Bug
Components: Broker
Affects Versions: 5.2.0
Environment: all
Reporter: Gary Tully
Assignee: Gary Tully
Fix For: 5.3.0
With a short time to live and a slow consumer, prefetched messages stored on
the consumer expire. These get a delivery ack (so more mesages can be
dispatched) but remain in the delivered list till a real ack is produced, on
the consumption of an non expired message. With a large backlog and very slow
consumer each prefetch set can be expired and the delivered list can grow to
produce an ome.
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