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xen-users
Re: [Xen-users] major slow down with xen implementation
Geoffrey wrote:
Ross S. W. Walker wrote:
Geoffrey wrote:
Todd Deshane wrote:
On Thu, Sep 25, 2008 at 11:57 AM, Geoffrey
<lists@xxxxxxxxxxxxxxxxxxxxx> wrote:
Is this a reasonable expectation with virtualization?
This doesn't seem quite right to me, try kernbench and
also make sure the versions of xen and guest kernels
are the same on the server and laptop for a good
comparision.
I'm not running xen on the laptop. Laptop is RHEL 5.2,
kernel: 2.6.18-92.1.10.el5
The overhead of Xen PV should be pretty low vs native.
I was wrong when I said we were para-virtualizing, this is full
virtualization.
Well, why not put up the xen config for the domU and see if
anybody can suggest some tweaks, but if you are using RH + Xen
it would be silly NOT to para-virtualize it.
Can't para-virtualize. Running 64bit on the hardware so as to get
access to the full 32GB memory. Running 32bit virtuals, because we
have a third party app that won't run on 64bit. I know...
So? Where is the problem? Check your Xen Caps [1] to confirm, that you
can run 32bit para-virtualized domU. This is running without problems
here: 64bit ubuntu dom0 and 32bit para domU ubuntu / debian.
Greetz Age_M
[1] xm info | grep xen_caps
If the result shows xen-3.0-x86_32p is means you could run 32bit
paravirtualized domUs
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