I think it creates 2 Virtual NUMA nodes on one single Physical NUMA node
If you see below cpu 0-1 are in one NUMA node and 2-3 are in the other.
This is what I can understand from the xml.
<cell id='0' cpus='0-1' memory='524288'/>
<cell id='1' cpus='2-3' memory='524288'/
On 29 April 2015 at 10:36, Blair Bethwaite <blair.bethwaite at gmail.com>
wrote:
> Hi all,
>
> Just reading over the docs describing NUMA scheduler filter testing
> (
> http://docs.openstack.org/developer/nova/devref/testing/libvirt-numa.html#testing-instance-boot-with-1-numa-cell-requested
> ).
> Somewhat confused by the scenario at the end, which seems to call for
> a guest with 1 NUMA node but looks like it gets created with 2... I'm
> obviously misunderstanding something in the resultant XML, but there's
> no topology info shown from inside the guest, so I'm not sure. Anyone
> tried this?
>
> --
> Cheers,
> ~Blairo
>
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