Date: Sun, 12 Mar 2017 09:35:41 +0800 From: Sepherosa Ziehau <sepherosa@gmail.com> To: Kevin Bowling <kevin.bowling@kev009.com> Cc: "Eugene M. Zheganin" <emz@norma.perm.ru>, freebsd-net <freebsd-net@freebsd.org> Subject: Re: about that DFBSD performance test Message-ID: <CAMOc5cwQpAuMz=L-vx-STN9ZdwjGgrnStep_JJz-sOjEoPMw7A@mail.gmail.com> In-Reply-To: <CAK7dMtDiT-PKyy5LkT1WEg5g-nwqv501F=Ap4dNCdwzwr_1dqA@mail.gmail.com> References: <b91a6e40-9956-1ad9-ac59-41a281846147@norma.perm.ru> <CAK7dMtDiT-PKyy5LkT1WEg5g-nwqv501F=Ap4dNCdwzwr_1dqA@mail.gmail.com>
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On Wed, Mar 8, 2017 at 8:25 PM, Kevin Bowling <kevin.bowling@kev009.com> wrote: > Right off the bat, FreeBSD doesn't really understand NUMA in any sufficient > capacity. Unfortunately at companies like the one I work at, we take that > to mean "OK buy a high bin CPU and only populate one socket" which serves > us well and may ultimately be the best value but does nothing to address > the reality that multi-socket NUMA systems are common place and FreeBSD > should run in the same league on them as other operating systems to be > taken seriously. I'd be interested in seeing how the contenders look by > removing one of the CPUs as it might at least put a spotlight on that issue. > > With respect to SO_REUSEPORT, we are investigating implementing this round > robin behavior right now. We think librss is a better way to go for Google's SO_REUSEPORT is not round robin. dfly distributes SYN using RSS hash; but definitely not round-robin. Thanks, sephe
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