Re: [Xen-users] Tips for tunning Xen

[Paras pradhan <pradhanparas@xxxxxxxxx>]

On Thu, Mar 18, 2010 at 2:28 PM, Pasi Kärkkäinen <pasik@xxxxxx> wrote:

On Thu, Mar 18, 2010 at 02:45:00PM -0300, Boris Quiroz wrote:
> Hi list,
>
> I'm looking for some tips to enhance the performance of my system
> (running on Centos 5.4 Dom0). I modified/add some variables:
> dom0_max_vcpus, dom0_vcpus_pin and dom0_mem, but I was wondering what
> else could be tunned...
>
> Suggestions?
>

Please see:
http://wiki.xensource.com/xenwiki/XenBestPractices

You should also configure the Xen credit scheduler domain weights so
that you make sure dom0 will always get enough CPU time to process
IO requests from the domUs.

What if a CPU core is dedicated to dom0? Do we still need this?

Thanks

Paras.

 

 

-- Pasi

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