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Re: [Xen-users] How can you tell if NUMA is turned on in the Hypervisor?


  • To: deshantm@xxxxxxxxx
  • From: "Jeff Lane" <sundowner225@xxxxxxxxx>
  • Date: Thu, 1 May 2008 09:59:13 -0400
  • Cc: xen-users@xxxxxxxxxxxxxxxxxxx
  • Delivery-date: Thu, 01 May 2008 08:36:26 -0700
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On Wed, Apr 30, 2008 at 6:21 PM, Todd Deshane <deshantm@xxxxxxxxx> wrote:

>  Try xm info | grep nr_nodes
>
>  nr_nodes > 1 implies NUMA
>  nr_nodes == 1 imples not NUMA


Thanks Todd!

One other question though...  does that apply equally to multi-noded
systems like the IBM x3950?  I have a few of those used for test... a
couple are 2 node machines, while one is an 8 node.  That's the
biggest reason for needing NUMA, as anything (Xen or not) running on
multi-noded systems runs better with NUMA :-)

Cheers
Jeff

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