Date: Fri, 2 Apr 2010 20:07:35 -0700 From: "K. Macy" <kmacy@freebsd.org> To: Ilya Zhuravlev <ilya@el-crane.net> Cc: freebsd-net@freebsd.org, Evgenii Davidov <dado@korolev-net.ru> Subject: Re: kern/144917: Flowtable crashes system Message-ID: <n2s82c4140e1004022007s2e131268t25f7a7c2238a7586@mail.gmail.com> In-Reply-To: <4BAB821D.6070403@el-crane.net> References: <201003202306.o2KN6Z55038744@www.freebsd.org> <20100321090455.GA36897@korolev-net.ru> <4BAB821D.6070403@el-crane.net>
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Please try with the latest 8-STABLE and tell me if recent changes fix it. Thanks, Kip On Thu, Mar 25, 2010 at 8:32 AM, Ilya Zhuravlev <ilya@el-crane.net> wrote: > On 21.03.2010 17:04, Evgenii Davidov wrote: >> >> úÄÒÁ×ÓÔ×ÕÊÔÅ, >> >> On Sat, Mar 20, 2010 at 11:06:35PM +0000, Doychin Dokov ÐÉÛÅÔ: >> >>>> Description: >>> >>> It seems like flowtable has been merged and enabled by default in 8.0.... >>> which is a really really bad idea. >>> On a system which handles two full BGP tables it makes one of the CPU >>> cores run at 100% right after most of the prefixes get installed in the >>> routing table. >> >> i saw the same effect with ospf >> > > 8.0-p2, 2 full-view with openbgpd > "tuning": > net.inet.tcp.blackhole=2 > net.inet.udp.blackhole=1 > net.inet.icmp.icmplim_output=0 > net.inet.icmp.drop_redirect=1 > net.inet.flowtable.nmbflows=32768 > > 1 week uptime.Now I think only about increasing tx/rx descriptors to reduce > interrupts (default values was not changed) > > > netstat -w1 -Iigb0 > š š š š š šinput š š š š (igb0) š š š š š output > š packets šerrs š š šbytes š špackets šerrs š š šbytes colls > š š 49100 š š 0 š 12290513 š š š23693 š š 0 š 27268884 š š 0 > š š 48322 š š 0 š 12688283 š š š24332 š š 0 š 28099404 š š 0 > š š 50602 š š 0 š 12759620 š š š24437 š š 0 š 27698341 š š 0 > š š 47857 š š 0 š 11354124 š š š21410 š š 0 š 23845155 š š 0 > > netstat -w1 -Iigb1 > š š š š š šinput š š š š (igb1) š š š š š output > š packets šerrs š š šbytes š špackets šerrs š š šbytes colls > š š 32428 š š 0 š 35027019 š š š24562 š š 0 š š5624934 š š 0 > š š 30621 š š 0 š 33384339 š š š23569 š š 0 š š4456944 š š 0 > š š 28419 š š 0 š 31014269 š š š21571 š š 0 š š3638083 š š 0 > š š 29409 š š 0 š 32524760 š š š22137 š š 0 š š3503600 š š 0 > š š 30965 š š 0 š 33532742 š š š23973 š š 0 š š5089231 š š 0 > > netstat -w1 -Iem0 > š š š š š šinput š š š š š(em0) š š š š š output > š packets šerrs š š šbytes š špackets šerrs š š šbytes colls > š š 17217 š š 0 š š3929366 š š š72741 š š 0 š 46377762 š š 0 > š š 17412 š š 0 š š3745112 š š š75522 š š 0 š 49338883 š š 0 > š š 18385 š š 0 š š4014568 š š š77444 š š 0 š 50532101 š š 0 > š š 17142 š š 0 š š3875518 š š š77125 š š 0 š 47646681 š š 0 > š š 16870 š š 0 š š3528316 š š š73188 š š 0 š 47940959 š š 0 > š š 17069 š š 0 š š3682891 š š š80268 š š 0 š 52904747 š š 0 > š š 17313 š š 0 š š4101576 š š š75586 š š 0 š 51933330 š š 0 > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" >
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