Just updated last week ovirt hosts from 4.0.6 to 4.1.1 and I noticed ovs-vswitchd
high cpu usage, around 100%.

My cluster switch type is in legacy mode, so I decided to stop ovs-vswitchd process
on each ovirt host.

This morning, when trying to run a new VM and I've got the following error message : Exit message: (21, 'Executing commands failed: ovs-vsctl: unix:/var/run/openvswitch/db.sock: database connection failed (No such file or directory)')

Even if the cluster is in legacy mode, it seems that ovs-vswitchd needs to be up and running for vdsm.

So, how can reduce the cpu usage of ovs-vswitchd process ?


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