Date: Sat, 26 Nov 2011 06:06:54 -0600 From: Kris Bauer <kristoph.bauer@gmail.com> To: Raul <raul@b2n.org> Cc: kerbzo@gmail.com, freebsd-stable@freebsd.org, stb@lassitu.de, george+freebsd@m5p.com, FreeBSD Release Engineering Team <re@freebsd.org>, Lawrence Stewart <lstewart@freebsd.org>, freebsd@jdc.parodius.com Subject: Re: TCP Reassembly Issues [SOLVED?] Message-ID: <CAPNZ-WrRXEJf2edeMeyyVy0g1gySj4p5cv7C4KzMbPp1fg2T9g@mail.gmail.com> In-Reply-To: <4ED0CDC3.50808@b2n.org> References: <CAPNZ-Wq38=F3o2hYuYF_unBj3SZQ52XhVhdcwQ8PE_vU9xc2YA@mail.gmail.com> <4ECEF6FD.5050006@freebsd.org> <4ED077BF.10205@freebsd.org> <4ED0CDC3.50808@b2n.org>
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On Sat, Nov 26, 2011 at 5:30 AM, Raul <raul@b2n.org> wrote: > El 26/11/2011 6:23, Lawrence Stewart escribi=F3: > > ... > >> kernel to test a patch please try the following and report back to the >> list: >> >> >> http://people.freebsd.org/~lstewart/patches/misctcp/tcp_reass_plugzonele= ak_10.x.r227986.patch >> >> >> The patch is against head r227986 but will apply and work correctly for >> 9.0 as well. >> > > Cleanly applied against RELENG_9_0. > > As my case was not exactly the same as Kris or Stefan I'd wait their > feedback but as far I concern, *it works perfect!*. > > [....] > %sysctl kern.version | head -n1 > kern.version: FreeBSD 9.0-RC2 #1: Sat Nov 26 10:24:38 CET 2011 > > %uptime > 12:06PM up 1:30, 3 users, load averages: 0,07 0,08 0,10 > > %vmstat -z | head -n1 ; vmstat -z | grep reass > ITEM SIZE LIMIT USED FREE REQ FAIL SLEEP > tcpreass: 40, 1680, 58, 1370, 276624, 0, 0 > > %sysctl net.inet.tcp.reass > net.inet.tcp.reass.overflows: 5 > net.inet.tcp.reass.cursegments: 17 > net.inet.tcp.reass.maxsegments: 1680 > > %netstat -s -p tcp | grep mem > 5 discarded due to memory problems > [....] > > I'll leave the box stressing the tcp stack a couple of days, just in case= . > > Thanks a lot. > > Regards, > Ra=FAl. > After 5 hours and a few gigs of traffuc, things have been fine: # sysctl net.inet.tcp.reass net.inet.tcp.reass.overflows: 155 net.inet.tcp.reass.cursegments: 0 net.inet.tcp.reass.maxsegments: 4116 Kris
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