[A-MQ, memory usage] useCache="false" and no consumer - why is queue using memory

Solution Verified - Updated -

Issue

  • a queue has not consumer and useCache="false". After sending messages to the queue I would expect the queue to use no memory - everything persisted to disk. However I can see the queue is still using memory from inspecting the JMX statistics for this queue.

Environment

  • JBoss A-MQ 6.2.1

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