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Re: [Xen-users] To Xen or not to Xen
- To: "Stephen Yum" <steveyum@xxxxxxxxxxxxxx>
- From: "François Levasseur" <francois.levasseur@xxxxxxxxx>
- Date: Wed, 30 Aug 2006 20:57:36 -0400
- Cc: xen-users@xxxxxxxxxxxxxxxxxxx
- Delivery-date: Wed, 30 Aug 2006 17:58:19 -0700
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Ok I already have a memcached server, a static server (lighttpd), and a database server. I also have a load balancing server to distribute http requests.
I have an opteron that is already fill up with dynamic http request (php, apache2-prefork). So I bought a new one, with 2 cpus dual core.
I wonder if I'll get more performance with Xen and two or four domUs? If so, why?
On 8/30/06, Stephen Yum <
steveyum@xxxxxxxxxxxxxx> wrote:Frank,
I'd say use Xen and create a guest for each core. I'm not sure what
kind of web serving you're doing (dynamic or otherwise), but it would
take a lot to fill up ONE Opteron, much less two. You'll max out the
bandwidth first.
With this in mind, I'd suggest creating the following domUs:
one guest, dynamically generate a cache of static pages (assign two
cores)
two guests, each serving those static web pages, setup in round robin
fashion via DNS (one core each)
S
On Aug 30, 2006, at 8:02 AM, François Levasseur wrote:
> Hi
>
> I have a server, Dual Opteron 265 (dual core), witch allow me to
> have 4 *virtual* CPUs. The server is dedicated to serving dynamic
> web page.
>
> I have 2 configurations in my mind:
>
> 1. I install one operating system;
> 2. I install Xen with 2 virtuals machines, each one with one cpu
> (dual core).
>
> I'm not an expert so I'd like to know what is the best setup to get
> the maximun of responsivness and speed from this server.
>
> Thank you
>
> Frank
>
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