[openstack-dev] [nova][neutron] numa aware vswitch

Stephen Finucane sfinucan at redhat.com
Fri Aug 24 16:15:06 UTC 2018


On Fri, 2018-08-24 at 09:13 -0500, Matt Riedemann wrote:
> On 8/24/2018 8:58 AM, Stephen Finucane wrote:
> > Using this won't add a NUMA topology - it'll just control how any
> > topology present will be mapped to the guest. You need to enable
> > dedicated CPUs or a explicitly request a NUMA topology for this to
> > work.
> > 
> > openstack flavor set --property hw:numa_nodes=1 1
> > 
> > <or>
> > 
> > openstack flavor set --property hw:cpu_policy=dedicated 1
> > 
> > 
> > This is perhaps something that we could change in the future, though I
> > haven't given it much thought yet.
> 
> Looks like the admin guide [1] should be updated to at least refer to 
> the flavor user guide on setting up these types of flavors?
> 
> [1] https://docs.openstack.org/nova/latest/admin/networking.html#numa-affinity

Good idea.

https://review.openstack.org/596393

Stephen




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