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?
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