From: Aron Griffis <aron@hp.com>
To: Ian Pratt <Ian.Pratt@cl.cam.ac.uk>
Cc: Andre Przywara <andre.przywara@amd.com>,
"Xu, Anthony" <anthony.xu@intel.com>,
Akio Takebe <takebe_akio@jp.fujitsu.com>,
xen-devel@lists.xensource.com
Subject: Re: [RFC] Xen NUMA strategy
Date: Wed, 19 Sep 2007 23:09:38 -0400 [thread overview]
Message-ID: <20070920030937.GI28555@fc.hp.com> (raw)
In-Reply-To: <8A87A9A84C201449A0C56B728ACF491E260723@liverpoolst.ad.cl.cam.ac.uk>
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
next prev parent reply other threads:[~2007-09-20 3:09 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-14 12:05 [RFC] Xen NUMA strategy Andre Przywara
2007-09-18 6:08 ` Akio Takebe
2007-09-18 6:33 ` Xu, Anthony
2007-09-18 6:57 ` Akio Takebe
2007-09-18 8:43 ` Ian Pratt
2007-09-18 13:30 ` Aron Griffis
2007-09-19 1:04 ` Ian Pratt
2007-09-20 1:44 ` Xu, Anthony
2007-09-20 9:56 ` Ian Pratt
2007-09-20 3:09 ` Aron Griffis [this message]
2007-09-20 9:50 ` Ian Pratt
2007-09-21 21:36 ` Aron Griffis
2007-09-18 14:31 ` Aron Griffis
-- strict thread matches above, loose matches on Subject: below --
2007-09-20 10:26 André Przywara
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