On Thu, Feb 23, 2017 at 7:27 AM, Gleb Smirnoff <gleb...@freebsd.org> wrote: > On Tue, Feb 21, 2017 at 09:58:45AM +0100, Julien Charbon wrote: > J> > T> 1) The patch worked pretty okay, but the idea of separate file type is > J> > T> abandoned. With current filedescriptor code it is almost impossible > J> > T> to racelessly switch fileops and f_data. > J> > T> For more details read the commit message, URL below. > J> > T> > J> > T> 2) I moved the work to git. It allows for easier code sharing. > J> > T> > J> > T> > https://github.com/glebius/FreeBSD/commit/3a52df429889ea9c6e61013f6913aad95939f159 > J> > > J> > The current 'solisten' branch at https://github.com/glebius/FreeBSD has > J> > been running successfully for 48 hours at Netflix. But as mentioned > before, > J> > our connection rate is pretty low. > J> > > J> > So, testing from Julien and Hiren will be much appreciated. > J> > J> Sound good, I will have spare time to get performance results on our > J> side w/ and w/o your change before the end of this week. > > Thanks, Julien! Looking forward for your results. Meanwhile, the code has > been running for a week on a single Netflix box. And for 24 hours on a > set of boxes as A/B test against non-patched code. Since our connection > rate is low, and we never seen accept_mtx to be a major problem in our > profiling, the A/B test didn't show any statistically significant > improvements. But my biased eye of course sees some improvements in the > graphs :)
You can use this to force clients to generate 1 request/connection (--connreqs 1) to test the accept queue contention for HTTP workload: https://github.com/sepherosa/wrk Checkout the sephe/wrk branch. pkg install wrk. Then gmake in the checked out directory. Thanks, sephe -- Tomorrow Will Never Die _______________________________________________ freebsd-net@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
