[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 ...


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!

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