Re: [Xen-users] major slow down with xen implementation

[Geoffrey <lists@xxxxxxxxxxxxxxxxxxxxx>]

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...
--
Until later, Geoffrey

Those who would give up essential Liberty, to purchase a little
temporary Safety, deserve neither Liberty nor Safety.
 - Benjamin Franklin

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