Date: Wed, 22 Feb 2017 15:27:04 -0800 From: Gleb Smirnoff <glebius@FreeBSD.org> To: Julien Charbon <jch@freebsd.org> Cc: hiren@FreeBSD.org, Jason Eggleston <jeggleston@llnw.com>, rrs@FreeBSD.org, jtl@FreeBSD.org, net@FreeBSD.org Subject: Re: listening sockets as non sockets Message-ID: <20170222232704.GJ8899@FreeBSD.org> In-Reply-To: <0858647a-ec3c-1a78-053f-d04397a82d8a@freebsd.org> References: <20170127005251.GM2611@FreeBSD.org> <20170210063024.GE1973@FreeBSD.org> <20170216184903.GF58829@FreeBSD.org> <0858647a-ec3c-1a78-053f-d04397a82d8a@freebsd.org>
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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 :) -- Totus tuus, Glebius.
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