Re: [Xen-devel] [RFC] Xen NUMA strategy

[Aron Griffis <aron@xxxxxx>]

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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