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Re: [Xen-devel] How much memory does a domain REALLY use...
| To: | "Graham, Simon" <Simon.Graham@xxxxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: [Xen-devel] How much memory does a domain REALLY use... |
| From: | Keir Fraser <Keir.Fraser@xxxxxxxxxxxx> |
| Date: | Sat, 24 Feb 2007 19:22:05 +0000 |
| Delivery-date: | Sat, 24 Feb 2007 11:21:33 -0800 |
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| Thread-topic: | [Xen-devel] How much memory does a domain REALLY use... |
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On 24/2/07 19:14, "Graham, Simon" <Simon.Graham@xxxxxxxxxxx> wrote: > Hmm - it does indeed seem to be somewhat dependent on the size of the > machine; I have a bunch of systems from 2GB to 16GB all of which are > running a 768MB Dom0 currently; here's what I see for used memory > (total/free as reported by xenstat) for some of these when just Dom0 is > running: > > . 2GB system; 794MB used > . 6GB system; 830MB used > . 8GB system; 840MB used > . 16GB system; 890MB used Yes, there's an overhead of 7MB per 1GB on i386, and 12MB per 1GB on x86/64. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel |
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