Re: Some Xen performance measurements

[Juan RP <juan%xtraeme.nopcode.org@localhost>]

On Fri, 01 Apr 2005 12:29:43 +0300
Martti Kuparinen <martti.kuparinen%iki.fi@localhost> wrote:

Hi Martti,

> Remarks and questions
> =====================
> 
> - One would assume that running 4 VMs would take 4x the compilation time
>    compared to 1 VM. Any ideas why the time is only 1600 instead of 2000?
> 
> - Use of vnd(4) instead of direct access to the harddisk does not give
>    any noticeable slowness, at least with this small number of VMs
>    running at the same time.

Have you added the vnd files when the domUs were already running?
(xm vbd-create ...)?

I tried it, but cannot disklabel it... any hints? that would be nice if this
feature works, because you might want to add some free space when
the original size is full.