[openstack-dev] [nova] Ubuntu, qemu, NUMA support

Nikola Đipanov ndipanov at redhat.com
Mon Feb 23 07:20:03 UTC 2015


On 02/23/2015 06:17 AM, Tom Fifield wrote:
>> Also, we currently assume that qemu can pin to NUMA nodes.  This is an
>> invalid assumption since this was only added as of qemu 2.1, and there
>> only if it's compiled with NUMA support.  At the very least we should
>> have a version check, but if Ubuntu doesn't fix things then maybe we
>> should actually verify the functionality first before trying to use it.
>>
>> I've opened a bug to track this issue:
>> https://bugs.launchpad.net/nova/+bug/1422775
> 
> This bug might still be worthwhile, as quite a few folks will likely
> stick with Trusty for Kilo. Though, did you by change check the flag
> status of the package in the Ubuntu Cloud Archive? It packages a
> different Qemu (ver 2.2) to the main repo ...
> 

Hey,

I've responded to the bug too (tl; dr - IMHO we should be failing the
instance request).

It might be better to move any discussion that ensues there so that it's
in one place.

Cheers for reporting it though!
N.




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