[libvirt-users] Live Migration and KSM merging

[Eric Blake]

On 02/01/2013 12:08 PM, James wrote:
> Hi,
> 
> Could anyone provide (or point me to) information on how KSM merging
> behaves when performing live migrations? Does libvirt perform any
> special work to trigger KSM scanning of the migrated pages?

That's probably a question better asked to the qemu folks; the most
libvirt would be able to do is pass a command line argument to qemu that
says whether qemu will enable or disable merging, but it is the qemu
process where the guest memory resides that would even need merging.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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