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Re: [Xen-users] maximum domU performance
| To: | "Fajar A. Nugraha" <fajar@xxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-users] maximum domU performance |
| From: | Bruce Edge <bruce.edge@xxxxxxxxx> |
| Date: | Wed, 14 Oct 2009 11:53:31 -0700 |
| Cc: | Zu <zuzhihui@xxxxxxxxx>, Xen User-List <Xen-users@xxxxxxxxxxxxxxxxxxx> |
| Delivery-date: | Wed, 14 Oct 2009 11:54:17 -0700 |
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On Tue, Oct 13, 2009 at 11:31 PM, Fajar A. Nugraha <fajar@xxxxxxxxx> wrote: > 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. > > -- > Fajar > What if the dom0 has no tasks once the domU is up and running? eg: disable syslog, cron, etc on dom0 Can one assign all cores to the domU? Or, must one core remain idle dedicated to handling dom0 processing? -Bruce _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users |
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