[Openstack-operators] [openstack-dev] Scheduler proposal

Clint Byrum clint at fewbar.com
Thu Oct 8 07:37:31 UTC 2015

Excerpts from Maish Saidel-Keesing's message of 2015-10-08 00:14:55 -0700:
> Forgive the top-post.
> Cross-posting to openstack-operators for their feedback as well.
> Ed the work seems very promising, and I am interested to see how this 
> evolves.
> With my operator hat on I have one piece of feedback.
> By adding in a new Database solution (Cassandra) we are now up to three 
> different database solutions in use in OpenStack
> MySQL (practically everything)
> MongoDB (Ceilometer)
> Cassandra.
> Not to mention two different message queues
> Kafka (Monasca)
> RabbitMQ (everything else)
> Operational overhead has a cost - maintaining 3 different database 
> tools, backing them up, providing HA, etc. has operational cost.
> This is not to say that this cannot be overseen, but it should be taken 
> into consideration.
> And *if* they can be consolidated into an agreed solution across the 
> whole of OpenStack - that would be highly beneficial (IMHO).

Just because they both say they're databases, doesn't mean they're even
remotely similar.

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