Sorry , I refer to 'virsh memtune' . Do you know if it is working ok for any late combination of libvirt and libcgroup ( e.g libvirt-0.8.8 ) . I could not operate it ., thanks Zvi Dubitzky Email:dubi@xxxxxxxxxx Eric Blake <eblake@xxxxxxxxxx> wrote on 15/04/2011 20:38:55: > From: Eric Blake <eblake@xxxxxxxxxx> > To: Zvi Dubitzky/Haifa/IBM@IBMIL > Cc: libvir-list@xxxxxxxxxx > Date: 15/04/2011 20:39 > Subject: Re: virsh memset > > On 04/14/2011 06:04 AM, Zvi Dubitzky wrote: > > Hi > > > > Does anybody know if 'virsh memset' is working ok with its parameters > > with the late libvirt code > > (>= 0.8.8 )? With what libcgroup version ? > > 'virsh memset' doesn't depend on cgroups. It relies on the guest > honoring virtio ballooning requests. Guests like Fedora are wired to do > this out of the box, but not all guests support it. I'm not sure > whether the virtio drivers for Windows can do ballooning. If a guest > can't honor ballooning, then you can't change current memory at runtime; > however, with very recent git (0.9.1), 'virsh memset --persistent' can > be used to modify the persistent storage to affect the memory usage on > the next guest boot. > > Or are you referring to 'virsh memtune', which does indeed require > cgroup support, but does not require any guest interaction? > > -- > Eric Blake eblake@xxxxxxxxxx +1-801-349-2682 > Libvirt virtualization library http://libvirt.org > > [attachment "signature.asc" deleted by Zvi Dubitzky/Haifa/IBM] -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list