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RE: [Xen-devel] Opteron server and NUMA
| To: | "Alexander Charbonnet" <alexander@xxxxxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | RE: [Xen-devel] Opteron server and NUMA |
| From: | "Ian Pratt" <m+Ian.Pratt@xxxxxxxxxxxx> |
| Date: | Sat, 8 Oct 2005 18:51:03 +0100 |
| Cc: | Nicholas Lee <emptysands@xxxxxxxxx> |
| Delivery-date: | Sat, 08 Oct 2005 17:48:33 +0000 |
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| Thread-index: | AcXMLNvx4AGyWKZfSjqfQGSrPdsE7AAA95Dg |
| Thread-topic: | [Xen-devel] Opteron server and NUMA |
> I used ab to benchmark grabbing a 100MB file 100 times from > localhost. > Natively it took 15.9 seconds. Under Domain0 it took 41% > longer, 22.4 seconds. That sure looks like it makes up a > huge chunk of the overall slowdown I'm noticing. > > Any other tricks to try to get network performance closer to native? Can you try running that test on the same machine running a 32bit version of Xen. It's possible something weird is happening just on 64 bit. Thanks, Ian _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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