[ovirt-users] ovs-vswitchd high cpu usage

[Arnaud Lauriou]

Well its seems that I had config mismatch between 4.0.6 et 4.11, old
ovs-vswitchd process was still running.
I found the solution to my problem : reboot oVirt host and everything
works fine now.

On 05/12/2017 04:12 PM, Arnaud Lauriou wrote:
> I'm responding to myself !
> For vdsm, it's seems that ovsdb-server needs to be up, not ovs-vswitchd.
>
> However, is there a way to reduce cpu load of ovs-vswitchd process ?
>
> Regards,
>
> Arnaud
>
> On 05/12/2017 03:29 PM, Arnaud Lauriou wrote:
>> Hi,
>>
>> 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 ?
>>
>> Regards,
>>
>> Arnaud
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>
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