[QPID-4046] Improve broker's performance by rate limiting queue cleanup.

• Type: Improvement
• Status: Closed
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 0.16
• Fix Version/s: 0.17
• Component/s: C++ Broker
• Assignee: Ken Giusti
• Reporter: Ken Giusti
• Created: 07/Jun/12 21:49
• Updated: 29/Jul/13 19:05
• Resolved: 08/Jun/12 14:50

Description

The cleanup of dequeued messages is done on the receive path with the Queue's messageLock held (has to be held). When multiple consumers with large ack windows are sharing the queue, a large backlog of messages can build up. Performance of the consumer can be improved by rate limiting this queue cleanup.