[Openstack] Messaging reliability/durability expectations

Aaron Knister aaron.knister at gmail.com
Tue Oct 14 03:31:26 UTC 2014

Hi Everyone,

I'm building a production-grade cloud where HA is a requirement. I'm currently working on implementing HA of the messaging layer and am not clear on what the expectations/assumptions are of the messaging layer regarding message durability and reliability. I've seen documentation scattered about that suggests OpenStack makes no assumptions that messages will be delivered or will need to persist for any period of time (https://openstack.redhat.com/Highly_Available_Qpid_for_OpenStack).

What's the consequence of RPC message loss within openstack? Is it true that it will resend messages?


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