Subject: Re: [vserver] vserver scalability
From: "Michael S. Zick" <mszick@morethan.org>
Date: Tue, 15 Jun 2010 07:59:48 -0500

On Tue June 15 2010, Eugen Leitl wrote:
> On Mon, Jun 14, 2010 at 11:14:26PM +0200, Andre Timmermann wrote:
> > Hi,
> > 
> > Am Donnerstag, den 03.06.2010, 21:32 +0200 schrieb Herbert Poetzl:
> > 
> > > > Am particularly interested to know how many virtual servers 
> > > > can be spawned in a single host?
> > > 
> > > we stopped testing around 40.000 guests on a single
> > > host, because it became somwhat slow and the 64k
> > > process limit was an issue back then ....
> > 
> > I am pretty sure that it is POSSIBLE to start several hundrets or even
> > thousends of guests on one physical machine, but the real question is
> > how many guests are REASONABLE on on physical machine.
> > 
> > In my experience the main impact is I/O on normal server hardware (e.g
> > Dual Intel Xeon CPU / 8 cores / 12 GB RAM / two disks with raid 1) 
> 
> Something which can be adressed with SSDs.
>  

You wouldn't by chance be using one of these things:
http://www.seamicro.com/

I.E: Are you dealing with Atoms one at a time or in bunches of 512?

Mike