Re: [ovirt-users] Cluster settings: "KSM Control" not working?
On 10/09/2014 04:31 PM, Frank Wall wrote:
Hi,
while testing oVirt 3.5 RC I've came across this cluster setting:
Optimization -> KSM control -> [X] Enable KSM
I guess it's related to Kernel Same-page Merging.
Since KSM is a bad idea in my case (really slow CPUs), I've disabled
this Cluster setting, expecting oVirt to disable KSM on each oVirt Node.
But KSM is still running and consuming a lot CPU.
1) What is the expected result for this setting?
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".
2) And how do I completely and permanentely disable KSM on oVirt
Nodes?
This setting is permanent.
Regards
- Frank
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