From owner-freebsd-net@FreeBSD.ORG Thu Sep 20 07:25:59 2012 Return-Path: Delivered-To: freebsd-net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id E11AB1065670 for ; Thu, 20 Sep 2012 07:25:59 +0000 (UTC) (envelope-from andrey@zonov.org) Received: from mail-lb0-f182.google.com (mail-lb0-f182.google.com [209.85.217.182]) by mx1.freebsd.org (Postfix) with ESMTP id 57F7A8FC0A for ; Thu, 20 Sep 2012 07:25:58 +0000 (UTC) Received: by lbbgg13 with SMTP id gg13so2472420lbb.13 for ; Thu, 20 Sep 2012 00:25:57 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=sender:message-id:date:from:user-agent:mime-version:to:subject :x-enigmail-version:content-type:x-gm-message-state; bh=FBtpjX+JNOvyV83zv/U/Q5G+UGUNrzs6G8ji0hglN5E=; b=HyaDv1S139x/02jIgKKl8Ns4E7X/DuBsXnfteYrkhs/Jj/4KODLwcLV0yer/UzEE/c /wFhLydVO2tS7+fQ7cPc42Rc7usb9ybSxa28JwgWC/h8kEpt4yFPKsKYwDdodga2Emf+ 8PrfKl/HbnBX82p/xBv2Fy4xUOTC1/ZhlCO7O1SLd27FfMuywTWnlozRXF2bKHrrQ3Qb 19XYvUxgWBWPfYHT7hB1M4o8Vrt+JyI3ZuK1hwHNRKOpS8/nqTnoMhnT1Xdj3inwhIRR OxWatKSS2IB3rku1YF1DdXuiNc2mh8Ee4xMuvH5TsiUoiSoc4Sw2BsI7xQuR7yRtOiaQ v+Pg== Received: by 10.152.132.168 with SMTP id ov8mr862540lab.0.1348125957398; Thu, 20 Sep 2012 00:25:57 -0700 (PDT) Received: from zont-osx.local (ppp95-165-139-113.pppoe.spdop.ru. [95.165.139.113]) by mx.google.com with ESMTPS id ly17sm1222931lab.2.2012.09.20.00.25.56 (version=SSLv3 cipher=OTHER); Thu, 20 Sep 2012 00:25:56 -0700 (PDT) Sender: Andrey Zonov Message-ID: <505AC500.6060903@FreeBSD.org> Date: Thu, 20 Sep 2012 11:25:52 +0400 From: Andrey Zonov User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.7; rv:15.0) Gecko/20120907 Thunderbird/15.0.1 MIME-Version: 1.0 To: "freebsd-net@freebsd.org" X-Enigmail-Version: 1.4.4 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig71DF1AF920C0571CBAA7F2BB" X-Gm-Message-State: ALoCoQkK+LWPEU+orRsukBGfgboiLRI9Tq+m5c2h4DqWnQnqic6v3jc0DL3Kw6UV+cY/xuYKs8CI Subject: [patch] sysctls for TCP timers X-BeenThere: freebsd-net@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Networking and TCP/IP with FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 20 Sep 2012 07:26:00 -0000 This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig71DF1AF920C0571CBAA7F2BB Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Hi, Some of them may be read google's article about tuning TCP parameters [1]. I convert most of TCP timers to sysctls [2] and we are using this patch for few months. We tuned net.inet.tcp.rtobase and net.inet.tcp.syncache.rexmttime and it gives good results (especially in conjunction with cc_htcp(4)). Is there any suggestions how to make patch better and commit it? [1] www.ietf.org/proceedings/75/slides/tcpm-1.pdf [2] http://people.freebsd.org/~zont/patches/tcp-timers.patch --=20 Andrey Zonov --------------enig71DF1AF920C0571CBAA7F2BB Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG/MacGPG2 v2.0.18 (Darwin) Comment: GPGTools - http://gpgtools.org iQEcBAEBAgAGBQJQWsUDAAoJEBWLemxX/CvTOd4IAK0JfMmLZtvjdgFqtC68LQht +qQ+Olwlq2M17BhPnDE9/NexG83uldgJrhGEswg3gV5GTaAP2Zvv51TJ9o+AB+K4 nkJrX6dcXcuH4QEiV1JIZhHYUh4BcG5Jb920Ql2yxzyY7BnKvVFlDzrTkp4hFKcZ xkDFAkSRUPZP10WDdwEI9m+d5BajoeFGDC/eh9p7pkS4ZUfUI4XRQ4u9Wi6GqJKv kpZJgWiHl6X0IeXpxLO53A7Cnr6fk3huPrO9bXxa5/54B0WytIoPOZlqoD/d1esK vAM5BtedGZvuqLSK4EquMHOpXr2ulRtaTQ6bKw66g0aeK4UT4SxRv1+PzzODxps= =yyEM -----END PGP SIGNATURE----- --------------enig71DF1AF920C0571CBAA7F2BB--