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Re: [Xen-users] maximum domU performance

To: Zu <zuzhihui@xxxxxxxxx>
Subject: Re: [Xen-users] maximum domU performance
From: "Fajar A. Nugraha" <fajar@xxxxxxxxx>
Date: Wed, 14 Oct 2009 13:31:23 +0700
Cc: Xen User-List <Xen-users@xxxxxxxxxxxxxxxxxxx>
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On Wed, Oct 14, 2009 at 10:33 AM, Zu <zuzhihui@xxxxxxxxx> wrote:
> The hardware has dual quad core CPUs and 8GB RAM. It has only 1 domU.
> I want to configure the domU and let the domU has maximum performance.
> So I configure "vcpus=8" in the domU configure file. Is this right? Do
> I need to add any other directions?

assuming is doesn't support hyperthreading (or hyperthreading
disabled), I'd set it to 7 (i.e. 8-1). dom0 needs CPU as well you
know, and it's best to give dom0 a dedicated CPU/core.


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