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[Xen-users] DomU slower with smp?
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
|---|---|
| Subject: | [Xen-users] DomU slower with smp? |
| From: | "Janusz Ulanowski" <janul666@xxxxxxxxx> |
| Date: | Wed, 14 May 2008 12:35:52 +0100 |
| Delivery-date: | Wed, 14 May 2008 04:36:24 -0700 |
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Hi, I just made simple peformance test with iozone tool on xen 3.2.1. time iozone -t 20 -r 2m -s 100m -m -R and: Dom0 - lvm(XFS) : real 1m35.670s DomU - 2m46.963s lvm(xfs) cpus = "4-7" vcpus=4 DomU - 1m53.772s lvm(xfs) cpus = "8" vcpus=1 It seems DomU is much slower if using more than one cpu. am I right? -- Thanks Janul _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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