Date: Thu, 24 Nov 2011 16:38:16 -0600 From: Kris Bauer <kristoph.bauer@gmail.com> To: Stefan Bethke <stb@lassitu.de> Cc: "freebsd-stable@freebsd.org List" <freebsd-stable@freebsd.org> Subject: Re: TCP Reassembly Issues Message-ID: <CAPNZ-Wq-Jdw22jHL5Pb93r-JgNyWN%2BbnfuDS3rW4a3%2BDYGNFCg@mail.gmail.com> In-Reply-To: <1A5B3A48-7DF3-4018-A244-152BDE96299A@lassitu.de> References: <CAPNZ-Wq38=F3o2hYuYF_unBj3SZQ52XhVhdcwQ8PE_vU9xc2YA@mail.gmail.com> <CABLqceRyohFFYtdnW%2Bt%2B63kwk00cbkJVz3oXWqrR=xijkg14CA@mail.gmail.com> <4ECE9914.6020502@turing.b2n.org> <CAPNZ-WrQdjFEErt6K1uEndSc082q8Q48VHvtbP=5cNXFw7H7Rg@mail.gmail.com> <1A5B3A48-7DF3-4018-A244-152BDE96299A@lassitu.de>
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On Thu, Nov 24, 2011 at 4:06 PM, Stefan Bethke <stb@lassitu.de> wrote: > Am 24.11.2011 um 21:30 schrieb Kris Bauer: > > > On Thu, Nov 24, 2011 at 1:20 PM, Raul <raul@turing.b2n.org> wrote: > > > > I am seeing the same sorts of things in netstat & vmstat: > > > > # netstat -s -p tcp |grep mem > > 742935 discarded due to memory problems > > > > # vmstat -z |grep tcpreass > > tcpreass: 40, 16464, 16340, 124, 131485,955443, 0 > > Same here: > root@diesel:~# netstat -s -p tcp |grep mem > 529211 discarded due to memory problems > root@diesel:~# vmstat -z |grep tcpreass > tcpreass: 40, 1680, 1679, 1, 118846,831450, 0 > root@diesel:~# uname -a > FreeBSD diesel.lassitu.de 9.0-PRERELEASE FreeBSD 9.0-PRERELEASE #20: Fri > Nov 18 21:57:59 CET 2011 root@diesel.lassitu.de:/usr/obj/usr/src/sys/DIESEL > amd64 > root@diesel:~# uptime > 11:01PM up 5 days, 23:15, 1 user, load averages: 0.14, 0.04, 0.01 > root@diesel:~# svn info /usr/src > Path: /usr/src > Working Copy Root Path: /usr/src > URL: http://mirror.hanse.de/svn/freebsd/base/stable/9 > Repository Root: http://mirror.hanse.de/svn/freebsd/base > Repository UUID: ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f > Revision: 227665 > Node Kind: directory > Schedule: normal > Last Changed Author: fabient > Last Changed Rev: 227664 > Last Changed Date: 2011-11-18 15:41:48 +0100 (Fri, 18 Nov 2011) > > I regularly copy large files off my Tivo trans-atlantic (125ms RTT), and > TCP connections currently stall after about 500 megs, never recovering. I > suspect this is connected, as it started immediately after upgrading the > machine to 9-stable. > > As far as I can tell, the problem does not exist with 8-stable. > > > Stefan > > -- > Stefan Bethke <stb@lassitu.de> Fon +49 151 14070811 > > > > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" > 100-150ms RTT trans-atlantic transfers is what I saw (largely) driving up the reass.cursegments value.
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