[nova][neutron][oslo][ops] rabbit bindings issue

Fabian Zimmermann dev.faz at gmail.com
Thu Aug 13 13:13:45 UTC 2020


just did some short tests today in our test-environment (without durable
queues and without replication):

* started a rally task to generate some load
* kill-9-ed rabbitmq on one node
* rally task immediately stopped and the cloud (mostly) stopped working

after some debugging i found (again) exchanges which had bindings to
queues, but these bindings didnt forward any msgs.
Wrote a small script to detect these broken bindings and will now check if
this is "reproducible"

then I will try "durable queues" and "durable queues with replication" to
see if this helps. Even if I would expect
rabbitmq should be able to handle this without these "hidden broken

This just FYI.

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