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List: netbsd-port-xen
Subject: Re: HEAD UP acpi/mpbios/ioapic support commited
From: Manuel Bouyer <bouyer () antioche ! eu ! org>
Date: 2006-10-19 17:02:18
Message-ID: 20061019170218.GA10228 () asim ! lip6 ! fr
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On Thu, Oct 19, 2006 at 05:23:28PM +1000, Sarton O'Brien wrote:
> I've since had a chance to switch back to SMP and it appears my problem was
> more than likely with the hungry memory usage of NFS. I don't know why it was
> only prevalent under SMP but with additional RAM it is now OK (this is an
> assumption, I did replace all Xen kernels while I had the system down so
> maybe there was a cvs checkout that fixed it). The main thing is that it
> doesn't seem to be a problem anymore.
If it's recent current sources it's possible that I fixed it.
>
> I'm curious though, what are the typical or at least the highest transfer
> speeds you would expect from one DOMU to another via NFS?
I've not especilly tested NFS, but with ttcp I get about 60MB/s between dom0
and a domU, on a SMP Xeon system. Maybe impleenting some kind of fake hardware
checkum could help a bit here ...
--
Manuel Bouyer, LIP6, Universite Paris VI. Manuel.Bouyer@lip6.fr
NetBSD: 26 ans d'experience feront toujours la difference
--
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