[ovs-dev] [PATCH] jsonrpc: Warn about excessive sending backlog.

Alex Wang alexw at nicira.com
Thu Sep 18 20:20:30 UTC 2014


Yes, that is correct,

Thanks,

On Thu, Sep 18, 2014 at 1:15 PM, Flavio Leitner <fbl at redhat.com> wrote:

> On Thu, Sep 18, 2014 at 01:10:00PM -0700, Alex Wang wrote:
> > On Thu, Sep 18, 2014 at 1:07 PM, Flavio Leitner <fbl at redhat.com> wrote:
> >
> > > On Thu, Sep 18, 2014 at 11:37:08AM -0700, Alex Wang wrote:
> > > > When ovs is running with large topology (e.g. large number of
> > > > interfaces), the stats and status update to ovsdb become huge and
> > > > normally require multiple run of ovsdb jsonrpc message processing
> > > > loop to consume.  Also, this could cause jsonrpc messages backlogged
> > > > in ovs.
> > > >
> > > > This commit adds a warning message to warn the excessive backlog
> > > > for jsonrpc.
> > >
> > > Does that mean this message will periodically show up in the log
> > > because of the large topology?
> >
> > I'm about to send a patch to rate limit the statistics update.
> >
> > So, expectedly, we should never see this warning.
> >
>
> Ok, my understanding is that after your rate limit patch,
> the only chance to see that message is if there is a bug?
>
> fbl
>



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