[ovirt-users] Cluster settings: "KSM Control" not working?

Frank Wall fw at moov.de
Sun Oct 19 11:06:50 UTC 2014

On Thu, Oct 09, 2014 at 05:08:56PM -0300, Amador Pahim wrote:
> On 10/09/2014 04:31 PM, Frank Wall wrote:
> > while testing oVirt 3.5 RC I've came across this cluster setting:
> > Optimization -> KSM control -> [X] Enable KSM
> > [...]
> > But KSM is still running and consuming a lot CPU.
> It will have effect next host change to Up state (i.e. from Maintenance 
> or from a reboot). Anyway, you can force the policy to have effect on 
> the fly: select the cluster, click in Hosts sub-tab, select the host(s) 
> and click "Sync MOM Policy".

Unfortunately, it doesn't work for me. Everytime I restart vdsmd
it will automatically start ksm again (and ksmd starts consuming CPU). 

I couldn't find anything ksm-related in vdsm.log. Is there a way to
debug this? I strongly assume that the KSM Custer setting isn't working
as expected.

FWIW, I've just upgraded to oVirt 3.5.0 GA and test this setting again.

- Frank

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