[ovs-dev] [PATCH v2] ovn-controller: Provide the option to configure inactivity probe interval for OpenFlow conn

Ben Pfaff blp at ovn.org
Fri Jul 5 17:35:41 UTC 2019

On Mon, Jul 01, 2019 at 01:12:08PM +0530, nusiddiq at redhat.com wrote:
> From: Numan Siddique <nusiddiq at redhat.com>
> If the ovn-controller main loop takes more than 5 seconds (if there are lots of logical
> flows) before it calls poll_block(), it causes the poll_block to wake up immediately,
> since rconn module has to send echo request. With the incremental processing, this is
> not an issue as ovn-controller will not recompute again. But for older versions, this
> is an issue as it causes flow recomputations and this would result in 100% cpu all the
> time.
> With this patch, CMS can configure a higher value depending the workload.
> The main intention of this patch is to fix this recompuation issue for older versions
> (there by requesting backport), it still would be beneficial with the
> incremental processing engine.
> Signed-off-by: Numan Siddique <nusiddiq at redhat.com>
> Tested-by: Dumitru Ceara <dceara at redhat.com>

Applied to master, thanks!

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