Re: [Xen-devel] Xen max supported memory per guest VM?

To:	Pasi Kärkkäinen <pasik@xxxxxx>
Subject:	Re: [Xen-devel] Xen max supported memory per guest VM?
From:	Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Date:	Sat, 14 Aug 2010 22:46:10 +0100
Cc:	"xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>
Delivery-date:	Sat, 14 Aug 2010 14:47:08 -0700
Envelope-to:	www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to:	<20100814213019.GX2804@xxxxxxxxxxx>
List-help:	<mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id:	Xen developer discussion <xen-devel.lists.xensource.com>
List-post:	<mailto:xen-devel@lists.xensource.com>
List-subscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe:	<http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
Sender:	xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
Thread-index:	Acs797rKQffRcF2aSCeM3yD5o1mHBAAAmC+H
Thread-topic:	[Xen-devel] Xen max supported memory per guest VM?
User-agent:	Microsoft-Entourage/12.24.0.100205

On 14/08/2010 22:30, "Pasi Kärkkäinen" <pasik@xxxxxx> wrote:

>>> In http://wiki.xensource.com/xenwiki/Xen4.0 we mention the following:
>>> "Better performance and scalability: 128 vcpus per guest, 1 TB of RAM per
>>> host, 128 physical CPUs per host (as a default, can be compile-time
>>> increased
>>> to lots more)."
>>> 
>>> But what's the max supported amount of memory for a (64bit) guest?
>> 
>> Allocating the whole 1TB should work. It's unlikely to have been tested
>> though.
>> 
> 
> Ok. I guess it might also have a difference if it's a PV or HVM guest..

I can't think of a reason we'd be limited to less for HVM or PV.

 -- Keir



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

WARNING - OLD ARCHIVES

xen-devel

Re: [Xen-devel] Xen max supported memory per guest VM?