Date: Sun, 7 Aug 2011 16:33:27 +0400 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Victor Detoni <victordetoni@gmail.com> Cc: freebsd-current@freebsd.org Subject: Re: High Network Perfomance Message-ID: <20110807123327.GA26983@zxy.spb.ru> In-Reply-To: <CANpwN=ticS53Z43rWVbtDU18cRtWH6sOE%2BfhJaS4LenTfZ=gpg@mail.gmail.com> References: <CANpwN=ticS53Z43rWVbtDU18cRtWH6sOE%2BfhJaS4LenTfZ=gpg@mail.gmail.com>
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On Thu, Aug 04, 2011 at 08:39:17PM -0300, Victor Detoni wrote: > Hi Guys, > > I'm trying tunning a FreeBSD 8.2 to high perfomance network with pf. My > server configuration is: > > Dell 1950 > CPU: Intel(R) Xeon(R) CPU 5130 @ 2.00GHz (1995.03-MHz K8-class > CPU) > 4 x CPU > 2 NIC (<Broadcom NetXtreme II BCM5708 1000Base-T) > 1 NIC (em0: <Intel(R) PRO/1000 Network Connection 7.1.9>) > > I want to reach the high processing of packets per second and use pf as > synproxy and we still processor to handle others packets or flows. > > I know that em drivers has MULTI_QUEUE implementation that helps high > performance for Intel drivers, but I couldn't see more information about. We > can reached 500k pps, but no more traffic was processed by this interface. > > I've already enabled net.isr.direct but with Intel Drivers does not work and > the most processors are in System instead of Interrupts, why? When I enable > net.isr.direct the processing is balanced for on CPU in system and another > in interrupt and I reached 1M pps, but the total perfomance is down, the > load grow up too fast. > > I've changed some parameter in sysctl for intel drivers, but it doesn't have > effect. > > Someone know what I can do to reach more packets performance? I want to use > this FreeBSD as a router/firewall only. FreeBSD (and em) need some tuning for high perfomance. Next links in russian, sorry. http://dadv.livejournal.com/138951.html http://dadv.livejournal.com/139170.html http://dadv.livejournal.com/139366.html -- Slawa Olhovchenkov
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