On Mon, Jul 24, 2017 at 10:09:39AM +0800, 刘文学 wrote: > In ovs 2.4.0, I run ovs with over thirty thousands of flows added > duration several seconds, and it need nearly several minutes to remove the > flows when the flows expired. > the problem is that the flow delete action is only called by one thread > named as "urcu5" and case the cpu 100% duration serveral minutes to remove > the flows. I run the > perf flame graph and prove my infer, see the attachment. > > so anyone can help me if it need to or should use multi-thread to solve > this problem ?
I guess that multiple urcu threads could make sense. It's a little sad that it's so expensive to free data. Is this anything you could spend time on? _______________________________________________ dev mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-dev
