Re: [Qemu-devel] qemu/qemu-kvm-0.12.1.2 - migration still very slow

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On 31 déc. 2009, at 00:14, Nikola Ciprich wrote:

> Hi,
> few months ago Pierre Riteau reported regression of exec migration in qemu.
> (http://lists.gnu.org/archive/html/qemu-devel/2009-08/msg01557.html)
> There was some discussion, but there is no clear conclusion.
> Today, I tried qemu-kvm-0.12.1.2 and migration is still very slow (using
> libvirt save command, which internaly uses migration) to suspend vm
> with 4GB of ram can take almost half an hour, although system is not loaded
> at all.
> Is there some way to speed things up?

I haven't had time to debug this further. The only workaround I found is to put some load in the guest (e.g. yes > /dev/null).

-- 
Pierre Riteau -- http://perso.univ-rennes1.fr/pierre.riteau/

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