[ovs-discuss] ovsdb behavior under ovn management plane scaling

Kyle Mestery mestery at mestery.com
Thu Jan 28 20:59:15 UTC 2016


On Thu, Jan 28, 2016 at 2:51 PM, Russell Bryant <russell at ovn.org> wrote:
> On 01/28/2016 03:36 PM, Ryan Moats wrote:
>> Yes, that was the first bottleneck we hit and we've taken the work
>> that led to your RFC and gone looking for the next bottleneck, which
>> now appears to be communications between the networking-ovn plugin
>> and ovn-northd.  The first step in that path is from the plugin to
>> ovsdb-server, so I view my initial post as one facet of the
>> problem...
>
> OK, thanks.
>
> What behavior are you seeing between the Neutron plugin and the
> northbound database exactly that makes it the bottleneck?  Is
> neutron-server maxed out trying to keep up with the request load?  or
> ovsdb-server?  or?
>
> Also, are you running multiple Neutron API workers?
>
Copying Matt to get the answers to these questions.

Thanks,
Kyle

> --
> Russell Bryant
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