[openstack-dev] [placement][nova] Decision time on granular request groups for like resources

Balázs Gibizer balazs.gibizer at ericsson.com
Thu Apr 19 08:38:03 UTC 2018



On Thu, Apr 19, 2018 at 12:45 AM, Eric Fried <openstack at fried.cc> wrote:
>>  I have a feeling we're just going to go back and forth on this, as 
>> we
>>  have for weeks now, and not reach any conclusion that is 
>> satisfactory to
>>  everyone. And we'll delay, yet again, getting functionality into 
>> this
>>  release that serves 90% of use cases because we are obsessing over 
>> the
>>  0.01% of use cases that may pop up later.
> 
> So I vote that, for the Rocky iteration of the granular spec, we add a
> single `proximity={isolate|any}` qparam, required when any numbered
> request groups are specified.  I believe this allows us to satisfy the
> two NUMA use cases we care most about: "forced sharding" and "any 
> fit".
> And as you demonstrated, it leaves the way open for finer-grained and
> more powerful semantics to be added in the future.

Can the proximity param specify relationship between the un-numbered 
and the numbered groups as well or only between numbered groups?
Besides that I'm +1 about proxyimity={isolate|any}

Cheers,
gibi

> 
> -efried
> 
> __________________________________________________________________________
> OpenStack Development Mailing List (not for usage questions)
> Unsubscribe: 
> OpenStack-dev-request at lists.openstack.org?subject:unsubscribe
> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev




More information about the OpenStack-dev mailing list