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[Xen-users] windows 2003 hvm performance on xen 3.0.3 and xen 3.0.4
| To: | xen-users@xxxxxxxxxxxxxxxxxxx |
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| Subject: | [Xen-users] windows 2003 hvm performance on xen 3.0.3 and xen 3.0.4 |
| From: | Digilab <info@xxxxxxxxxxxxx> |
| Date: | Tue, 26 Dec 2006 02:42:27 +0100 |
| Delivery-date: | Thu, 28 Dec 2006 03:01:45 -0800 |
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Hi, i'm testing windows 2003 on xen/hvm and today i installed xen 3.0.4.I used the old image disk of win2003 and it started without problem, i see then that even if xen 3.0.4 support apci/pae/acpi/smp cpu on windows, my old installation was for 1 standard pc with no smp/apic support. So i installed from scratch win 2003 on xen 3.0.4 and at the end i got 2 cpu just putting vcpu=2. I started to notice (with xentop) that the windows 2003 with smp enabled, consume much more cpu then the single cpu win 2003 and i notice also that win2003 installed from scratch on xen 3.0.4 for smp support had bad persormance. While win2003 uniprocessor standard pc version is very fast, the newer smp/2cpu had bad performance. why? i thinked/hoped to had improve performance from a windows2003 smp/2cpu but isn't so... Some suggest? Regards, @lessandro Marzini DIGILAB _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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