Vasa created AMQ-7510:
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Summary: Message caching behavior not consistent
Key: AMQ-7510
URL: https://issues.apache.org/jira/browse/AMQ-7510
Project: ActiveMQ
Issue Type: Bug
Reporter: Vasa
tl;dr: Broker memory usage not consistent after reboots
Steps to reproduce the issue:
* Created a broker (Both on a personal instance as well as with AmazonMQ)
* Started producing messages directly to one or more destination queues
without any consumers polling the queue
* All messages were sent to the broker with persistent mode
* As messages are sent to the queue, the memory % rise as seen from the
ActiveMQ console. It can go all the way up to 99% after which it starts
rejecting messages
* Once the broker is rebooted, the memory percent goes down to 0 even when the
queue still has all the messages.
* When continuing to send additional messages, the memory percent does not go
up
It almost seems like caching led to memory % rise until broker reboot. After
reboot, caching of messages was not active and memory % stayed down
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