From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keir Fraser <keir.fraser@eu.citrix.com>
Subject: Re: Xen max supported memory per guest VM?
Date: Sat, 14 Aug 2010 22:46:10 +0100
Message-ID: <C88CCD32.1DDEB%keir.fraser@eu.citrix.com>
References: <20100814213019.GX2804@reaktio.net>
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To: Pasi =?ISO-8859-1?B?S+Rya2vkaW5lbg==?= <pasik@iki.fi>
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On 14/08/2010 22:30, "Pasi K=E4rkk=E4inen" <pasik@iki.fi> 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 p=
er
>>> host, 128 physical CPUs per host (as a default, can be compile-time
>>> increased
>>> to lots more)."
>>>=20
>>> But what's the max supported amount of memory for a (64bit) guest?
>>=20
>> Allocating the whole 1TB should work. It's unlikely to have been tested
>> though.
>>=20
>=20
> 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