Keith Wall created QPID-7183:
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Summary: Use timed acquisitions to improve message flow amongst
competing consumers
Key: QPID-7183
URL: https://issues.apache.org/jira/browse/QPID-7183
Project: Qpid
Issue Type: Improvement
Components: Java Broker
Reporter: Keith Wall
At the moment when a message is sent to a consumer, the consumer 'acquires' the
message. That acquisition persists until the consumer acknowledges or rejects
the message. If the consumer is slow or stuck, that message could go
unprocessed even though there may be other consumers who could accept the
message sitting idle. Prefetching compounds the problem as those messages are
acquired too.
Some Brokers have a timed acquisition feature, where by the consumer gets the
message for a certain length of time. After that time expires, the Broker may
break the acquisition and send the message to another competing consumer.
This feature would improve the robustness of the messaging infrastructure and
make the need the manual intervention less likely.
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