[Openstack-operators] [nova] Does anyone use the TypeAffinityFilter?

Matt Riedemann mriedemos at gmail.com
Tue Apr 11 19:10:53 UTC 2017

On 4/11/2017 1:11 AM, Juvonen, Tomi (Nokia - FI/Espoo) wrote:
> Thanks Matt,
> Affinity and anti-affinity for an instance sure are basic Telco requirements.
> Instead of TypeAffinityFilter one is able to use the server-groups
> (ServerGroupAffinityFilter and ServerGroupAntiAffinityFilter). Just that you can
> only define server-group for an instance when creating a server, so it causes
> problems when the TypeAffinityFilter is deprecated and you happened to use it.
> Already existing instances are properly placed, but if the server-group
> information is not added to them, the new instances using server-groups instead
> might land to hypervisor that is against the existing instance placement
> according to TypeAffinityFilter.
> I have internally checked that we should not be using TypeAffinityFilter.
> Br,
> Tomi

To be clear I'm not proposing that we deprecate the server group 
affinity/anti-affinity filters, just the TypeAffinityFilter.

Thanks for checking though.




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