[ovs-discuss] OVN scalability?

[Han Zhou]

On Wed, Apr 18, 2018 at 1:41 PM, Mike Spreitzer <mspreitz at us.ibm.com> wrote:
>
> How big a system can OVN manage?  I am told some local experimenters did
> some tests about two years ago, and ran into CPU saturation at the south
> DB at around a hundred hypervisors.
>
> Thanks,
> Mike
>
In our testing env (setup with https://github.com/openvswitch/ovn-scale-test),
with 1k hypervisors the central node CPU (including NB DB, SB DB and
ovn-northd) is still low.
CPU is rather busy on HVs, but there is an ongoing optimization with very
promising test result:
https://mail.openvswitch.org/pipermail/ovs-dev/2018-April/346136.html

Thanks,
Han
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