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On 12/3/13 12:08 PM, "Daniel P. Berrange" <berrange at redhat.com> wrote:

>On Tue, Dec 03, 2013 at 01:47:31AM -0800, Gary Kotton wrote:
>> Hi,
>> I think that this information should be used as part of the scheduling
>> decision, that is hosts that are to be selected should be excluded if
>>they
>> do not have the necessary resources available. It will be interesting to
>> know how this is going to fit into the new scheduler that is being
>> discussed.
>
>The CPU topology support shouldn't have any interactions with, nor
>cause any failures post-scheduling. ie If the host has declared that
>it has sufficient resources to run a VM with the given vCPU count,
>then that is sufficient.

Yes, you are correct. I was thinking about another issue altogether - CPU
reservations.

>
>This is one of the reasons why the design is such that glance image
>properties just declare an upper bound on topology, not an absolute
>requirement. This allows the host chosen to run the VM to decide the
>guest topology to suit its specific topology / resource availability.


>
>Regards,
>Daniel
>-- 
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