Re: [Xen-devel] [PATCH 08 of 10 v2] libxl: enable automatic placement of guests on NUMA nodes

[Dario Faggioli <raistlin@xxxxxxxx>]

On Thu, 2012-06-28 at 07:25 +0000, Zhang, Yang Z wrote:
> > This all happens internally to libxl, and no API for driving the mechanism 
> > is
> > provided for now. This matches what xend already does.
> we should consider the basic IONUMA. I mean when a guest with a device 
> assigned, 
> from the point of view of performance, it's better to allocated the memory 
> from the node 
> which the device belongs to.
>
That sure makes sense, and it would be a very useful extension!

> Furthermore, we need consider the guest NUMA(I am working on it now) and live 
> migration.
> 
Great. Can you share, either here on or a separate thread some more
details about what you mean by both "guest NUMA" and "live migration" in
this context?

As George said, that would be 4.3 material, but I'm still very
interested. :-)

Thanks and Regards,
Dario

-- 
<<This happens because I choose it to happen!>> (Raistlin Majere)
-----------------------------------------------------------------
Dario Faggioli, Ph.D, http://retis.sssup.it/people/faggioli
Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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