Re: [Xen-devel] xen 4.3 test report

[Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>]

On Fri, May 24, 2013 at 03:38:46PM +0100, George Dunlap wrote:
> On Fri, May 24, 2013 at 3:11 PM, Konrad Rzeszutek Wilk
> <konrad.wilk@xxxxxxxxxx> wrote:
> > On Fri, May 24, 2013 at 01:46:11PM +0100, George Dunlap wrote:
> >> On Fri, May 24, 2013 at 11:40 AM, Vasiliy Tolstov <v.tolstov@xxxxxxxxx> 
> >> wrote:
> >> > Hello. I'm try 4.3.0-rc2 and have very very small speed of live
> >> > migration (is about 2 hours for 1Gb memory) but if i start xend and
> >> > doing xm migrate domain successeful migrated to destionation and this
> >> > takes is about 3-6 seconds (i'm use infiniband)
> >> >
> >> > Why this happening?
> >>
> >> Hmm -- I think this has been mentioned a couple of times, but I don't
> >> think anyone has looked into it.  I'll see if I can track it down.
> >
> > I've noticed on Xen 4.1 (and Xen 4.3) that if I use a 32-bit dom0 and
> > local migrated any 32/64 PV/PVHVM (so four variations) guest it is 
> > incredibly slow.
> >
> > (So xm save <..> in an iSCSI disk && xm restore ...)
> 
> Did you mean xm save or xl save?

'xl' for Xen 4.3 and 'xm' for Xen 4.1
> 
>  -George

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