There has been many various improvements on that front:
* RabbitMQ's memory consumption has been studied closely, bringing many fixes
in autopkgtest-cloud.
* We have a watchdog restarting RabbitMQ when things go bad.
* This watchdog has been exercised a lot before the memory consumption fixes
and the code is able to deal with a RabbitMQ restart correctly.
** Changed in: auto-package-testing
Status: New => Fix Released
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https://bugs.launchpad.net/bugs/1772236
Title:
rabbit died and everything else died
Status in Auto Package Testing:
Fix Released
Status in rabbitmq-server package in Ubuntu:
New
Bug description:
Why did it die?
Should it have self-restarted?
ubuntu@juju-prod-ues-proposed-migration-machine-1:~$ journalctl -u
rabbitmq-server.service -n1000 | cat
-- Logs begin at Sun 2018-05-20 00:18:25 UTC, end at Sun 2018-05-20 08:58:27
UTC. --
May 20 04:00:11 juju-prod-ues-proposed-migration-machine-1 systemd[1]:
rabbitmq-server.service: Main process exited, code=exited, status=137/n/a
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
Stopping and halting node 'rabbit@ps45-10-25-180-146' ...
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
Error: unable to connect to node 'rabbit@ps45-10-25-180-146': nodedown
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
DIAGNOSTICS
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
===========
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
attempted to contact: ['rabbit@ps45-10-25-180-146']
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
rabbit@ps45-10-25-180-146:
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
* connected to epmd (port 4369) on ps45-10-25-180-146
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
* epmd reports: node 'rabbit' not running at all
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
other nodes on ps45-10-25-180-146: ['rabbitmq-cli-28979']
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
* suggestion: start the node
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]:
current node details:
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]: -
node name: 'rabbitmq-cli-28979@juju-prod-ues-proposed-migration-machine-1'
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]: -
home dir: .
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 rabbitmq[28971]: -
cookie hash: 7+AChRZDewWFJK8SEUhx+Q==
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 systemd[1]:
rabbitmq-server.service: Control process exited, code=exited status=2
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 systemd[1]:
rabbitmq-server.service: Unit entered failed state.
May 20 04:00:12 juju-prod-ues-proposed-migration-machine-1 systemd[1]:
rabbitmq-server.service: Failed with result 'exit-code'.
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