Re: [libvirt] qemu-kvm spending time in do_info_migrate() during virDomainSave(); 50ms polling too fast?

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On Mon, May 03, 2010 at 02:46:35PM -0500, Charles Duffy wrote:
> On Mon, May 3, 2010 at 1:48 PM, Matthias Bolte <
> matthias.bolte@xxxxxxxxxxxxxx> wrote:
> 
> > 2010/5/3 Charles Duffy <charles@xxxxxxxxx>:
> > > The question then -- is the 50ms poll in
> > qemuDomainWaitForMigrationComplete
> > > (called from qemudDomainSave) perhaps too frequent?
> >
> > What's the libvirt version?
> >
> > Maybe the "Poll for migration end every 50ms instead of 50us" [1]
> > commit (part of 0.8.1) fixes your problem, if you're currently using
> > libvirt < 0.8.1.
> >

  Gahh, I had forgotten about the patch

> Ahh; this predates 0.8, so that sounds to be precisely on-point.

  Actually the fix is in 0.8.1, the bug was added on
Feb 3 i.e. probably part of 0.7.6

Daniel

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