[Openstack] [Openstack-operators] UDP Buffer Filling

Eugene Nikanorov enikanorov at mirantis.com
Sat Jul 29 00:28:59 UTC 2017


John,

multiqueue support will require qemu 2.5+
I wonder why do you need this feature. It only will help in case of a
really huge incoming pps or bandwidth.
I'm not sure udp packet loss can be solved with this, but of course better
try.

my 2c.

Thanks,
Eugene.

On Fri, Jul 28, 2017 at 5:00 PM, Liping Mao (limao) <limao at cisco.com> wrote:

> > We already tune these values in the VM. Would you suggest tuning them on
> the compute nodes as well?
> No need on compute nodes.(AFAIK)
>
>
> How much pps your vm need to handle?
> You can monitor CPU usage ,especially si to see where may drop. If you see
> vhost almost reach to 100% CPU ,multi queue may help in some case.
>
> Thanks.
>
> Regards,
> Liping Mao
>
> > 在 2017年7月28日,22:45,John Petrini <jpetrini at coredial.com> 写道:
> >
> > We already tune these values in the VM. Would you suggest tuning them on
> the compute nodes as well?
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