On Thu, May 25, 2017 at 05:26:47PM -0700, Han Zhou wrote:
> This patch introduces multi-threading for ovn-controller and use
> dedicated thread for packet-in processing as a start. It decouples
> packet-in processing and ovs flow computing, so that packet-in inputs
> won't trigger flow recomputing, and flow computing won't block
> packet-in processing. In large scale environment this largely reduces
> CPU cost and improves performance.

Won't this double the load on the southbound database server, as well as
the bandwidth to and from it?  We already have a bottleneck there.
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