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

Alex Wang alexw at nicira.com
Thu Sep 18 23:04:18 UTC 2014


Hey Ben,

I sent out a new series of patches here:
http://openvswitch.org/pipermail/dev/2014-September/045949.html
which does exactly what you said.

Forgot to mark this thread as invalid.

Thanks,
Alex Wang,

On Thu, Sep 18, 2014 at 4:00 PM, Ben Pfaff <blp at nicira.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.
> >
> > Signed-off-by: Alex Wang <alexw at nicira.com>
>
> Is this the correct way to do it?  I would have thought that as long as
> there are any backlogged stats messages, ovs-vswitchd should defer
> sending any further stats updates until the backlog clears.
>



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