jbertram opened a new pull request, #6093:
URL: https://github.com/apache/activemq-artemis/pull/6093
This commit ensures that MQTT 5 sessions using a session expiry interval of
0 are cleaned up after a broker restart. This includes:
- Serialized state message in the $sys.mqtt.sessions queue
- Any related $sys.mqtt.queue.qos2 queues
- Any related subscription queues
To be clear, we can't simply inspect the session expiry interval when the
session is created and make subscription queues non-durable because the session
expiry interval can be changed on the session with the DISCONNECT packet at
which point it would be impossible to potentially make the queue durable and
persist all the messages.
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