[libvirt-users] libvirt and cgroups/blkio

[Eric Blake]

On 10/29/2012 02:32 AM, erkan yanar wrote:
> 
> Hi,
> 
> is there a way to configure blkio via libvirt (xml)?

Yes, via <blkiotune> in the XML, or 'virsh blkiotune':
http://libvirt.org/formatdomain.html#elementsBlockTuning

But note that <blkiotune> is not necessarily the best way to tune I/O;
if you have new enough qemu, you might find better results with
per-device tuning by using <iotune>, or 'virsh 'blkdeviotune':
http://libvirt.org/formatdomain.html#elementsDisks

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

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