Re: [Xen-users] Is my xen-friendly glibc really faster?

To:	"Nicholas Lee" <emptysands@xxxxxxxxx>
Subject:	Re: [Xen-users] Is my xen-friendly glibc really faster?
From:	"Chris Fanning" <christopher.fanning@xxxxxxxxx>
Date:	Sat, 25 Feb 2006 19:30:08 +0100
Cc:	Ernst Bachmann <e.bachmann@xxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
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Hi Nicholas,

> Moving the home dir to dom0 or native lvm device mount made that
> problem go away.
What do you mean by 'native'?

>
> The new 3.0 SMP domUs will probably be better. I haven't had time to
> experience test this yet though.
I've done all my testing on xen3 so it seems you need not test this yet ;)

Chris.


On 2/24/06, Nicholas Lee <emptysands@xxxxxxxxx> wrote:
> On 25/02/06, Chris Fanning <christopher.fanning@xxxxxxxxx> wrote:
> > Hi Ernst,
> >
> > > If you run them in a domU, my guess would be the slowdown is caused by 
> > > your
> > > VNC/NX/remote X11 connection, not from the processing in domU.
> >
> > I had exported nfs:/home from another domU. When I moved the home
> > export to dom0 performance improved a lot.
> > Perhaps this is because of some disk access bottleneck cause buy KDE
> > Dcop or IPC or Unix sockets or something when running the home is on
> > another domU.
> >
> > What do you think?
>
> This was my experience as well. I discovered with Xen 2.0 using NX and
> domU NFS home to another domU, that firefox cause the most drag on the
> system. In general though everything was sluggish.
>
> Moving the home dir to dom0 or native lvm device mount made that
> problem go away.
>
> The new 3.0 SMP domUs will probably be better. I haven't had time to
> experience test this yet though.
>
>
> --
> Nicholas Lee
> http://stateless.geek.nz
> gpg 8072 4F86 EDCD 4FC1 18EF  5BDD 07B0 9597 6D58 D70C
>

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