I suspect this is caused by task messages getting generated before a celeryd listener is connected/registered. I saw it once myself (but only once).
** Changed in: maas Status: New => Triaged ** Changed in: maas Importance: High => Critical -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to maas in Ubuntu. https://bugs.launchpad.net/bugs/1153077 Title: rabbitmq queue fills up and celery stops executing tasks when upload_dhcp_leases is done every minute (by default) To manage notifications about this bug go to: https://bugs.launchpad.net/maas/+bug/1153077/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs