Provide a way to drain Dead Letter Queue
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Key: UIMA-927
URL: https://issues.apache.org/jira/browse/UIMA-927
Project: UIMA
Issue Type: Improvement
Components: Async Scaleout
Reporter: Jerry Cwiklik
Fix For: 2.2.2S
ActiveMQ currently doesnt evict expried messages from the Dead Letter Queue.
This can potentially lead to Out Of Memory situation as by default the broker
keeps all messages in memory. One possible strategy is to modify ActiveMQ
broker configuration to spool messages from the DLQ to disk when memory is
tight. Other strategy may involve creating a custom DLQ Consumer to drain
messages.
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