xen-devel
Re: [Xen-devel] [RFC] Xen NUMA strategy
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To: |
Ian Pratt <Ian.Pratt@xxxxxxxxxxxx> |
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Subject: |
Re: [Xen-devel] [RFC] Xen NUMA strategy |
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From: |
Aron Griffis <aron@xxxxxx> |
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Date: |
2007年9月19日 23:09:38 -0400 |
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Cc: |
Andre Przywara <andre.przywara@xxxxxxx>, "Xu, Anthony" <anthony.xu@xxxxxxxxx>, Akio Takebe <takebe_akio@xxxxxxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxx |
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2007年9月19日 20:11:19 -0700 |
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Mutt/1.5.16 (2007年06月11日) |
Ian Pratt wrote: [Tue Sep 18 2007, 04:43:24AM EDT]
> The way I see it, in most situations it will not make sense for guests
> to span NUMA nodes: you'll have a number of guests with relatively small
> numbers of vCPUs, and it probably makes sense to allow the guests to be
> pinned to nodes. What we have in Xen today works pretty well for this
> case, [snip]
One part that doesn't work well presently is memory locality. A guest
can be pinned to a CPU but its allocated memory might be on a distant
node...
Aron
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