[ovs-dev] [PATCH ovn] ovn-controller: Unix command debug/delay-nb-cfg-report.
hzhou at ovn.org
Thu Sep 10 17:05:51 UTC 2020
On Thu, Sep 10, 2020 at 8:39 AM Numan Siddique <numans at ovn.org> wrote:
> On Wed, Sep 9, 2020 at 1:41 AM Han Zhou <hzhou at ovn.org> wrote:
> > This command is added to avoid the flooding of nb_cfg updates from
> > a large nubmer of hypervisors interfering with the original SB DB
> > data distribution and handling, so that the e2e control plane latency
> > can be measured more accurately during scale testing with the command
> > ovn-nbctl --print-wait-time --wait=hv ...
> > Without this, there can be hypervisors updating back to SB before the
> > SB server finishes sending notifications to the rest of hypervisors.
> > In my test with 3K HVs, delaying the report for 2 seconds is enough to
> > get accurate latency report.
> > Signed-off-by: Han Zhou <hzhou at ovn.org>
> Acked-by: Numan Siddique <numans at ovn.org>
> Note: You have to rebase before applying.
Thanks Numan. I applied this to master.
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