Re: [Xen-devel] xen 4.3 test report

[George Dunlap <George.Dunlap@xxxxxxxxxxxxx>]

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?

 -George

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