From: Keir Fraser <keir.fraser@eu.citrix.com>
To: "Pasi Kärkkäinen" <pasik@iki.fi>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: Xen max supported memory per guest VM?
Date: Sat, 14 Aug 2010 22:46:10 +0100 [thread overview]
Message-ID: <C88CCD32.1DDEB%keir.fraser@eu.citrix.com> (raw)
In-Reply-To: <20100814213019.GX2804@reaktio.net>
On 14/08/2010 22:30, "Pasi Kärkkäinen" <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 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
next prev parent reply other threads:[~2010-08-14 21:46 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-14 18:42 Xen max supported memory per guest VM? Pasi Kärkkäinen
2010-08-14 21:18 ` Keir Fraser
2010-08-14 21:30 ` Pasi Kärkkäinen
2010-08-14 21:46 ` Keir Fraser [this message]
2010-08-16 9:04 ` Jan Beulich
2010-08-16 9:18 ` Keir Fraser
2010-08-16 9:34 ` Pasi Kärkkäinen
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