[openstack-dev] A simple way to improve nova scheduler

John Garbutt john at johngarbutt.com
Mon Jul 22 16:51:44 UTC 2013


On 22 July 2013 13:23, Boris Pavlovic <boris at pavlovic.me> wrote:
> I see only one race condition. (in current solution we have the same
> situtaiton)
> Between request to compute node and data is updated in DB, we could use
> wrong state of compute node.
> By the way it is fixed by retry.

This race turns out to be a big deal when there are bursts of VM.start requests.

I am currently thinking about ways we can look to eliminate this one.
Hoping to have a design summit session on that.

John



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