Memory alarm on node rabbit@rabbitmq-ha-1.rabbitmq-ha-<fqdn>
Memory alarm on node rabbit@rabbitmq-ha-2.rabbitmq-ha-<fqdn>
Memory alarm on node rabbit@rabbitmq-ha-0.rabbitmq-ha-<fqdn>
The issue is resolved in the Aria Automation 8.13.1 release.
Workaround:
To workaround the issue you can follow the steps in the workaround section of Knowledge base article 319575 to reset the rabbitmq cluster which will reset the queues.