[nova][ptg] Summary: Server group [anti-]affinity

Artom Lifshitz alifshit at redhat.com
Mon May 6 20:31:18 UTC 2019


On Mon, May 6, 2019 at 3:35 PM Eric Fried <openstack at fried.cc> wrote:
> - Race conditions in both cases are a little tricky.

So we currently have the late group policy check [1] done on the host
itself during instance build. It'd be great if we can get rid of the
need for it with this work, or at the very least make it very very
unlikely to fail. I know it won't be easy though.

[1] https://github.com/openstack/nova/blob/eae1f2257a9ee6e851182bf949568b1cfe2af763/nova/compute/manager.py#L1350

> - tssurya to come up with spec(s) for ?in_tree=!<list> and nova usage
> thereof, wherein discussions of the above issues can occur.
> - Unclear if this will make Train.
>
> efried
> .
>
>


-- 
Artom Lifshitz
Software Engineer, OpenStack Compute DFG



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