listening sockets as non sockets
slw at zxy.spb.ru
Thu Feb 23 15:36:46 UTC 2017
On Thu, Feb 23, 2017 at 11:40:21AM +0800, Sepherosa Ziehau wrote:
> On Thu, Feb 23, 2017 at 7:27 AM, Gleb Smirnoff <glebius at 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:
> Checkout the sephe/wrk branch. pkg install wrk. Then gmake in the
> checked out directory.
pkg install gcc gmake, may be?
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