From owner-freebsd-questions@FreeBSD.ORG Thu Sep 18 10:57:46 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 48D2716A4B3 for ; Thu, 18 Sep 2003 10:57:46 -0700 (PDT) Received: from mx1.lphp.org (APastourelles-107-1-20-127.w81-49.abo.wanadoo.fr [81.49.209.127]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3958D43FCB for ; Thu, 18 Sep 2003 10:57:44 -0700 (PDT) (envelope-from ajacoutot@lphp.org) Received: from sta01 (sta01.lphp.org.local [192.168.0.4]) by mx1.lphp.org (8.12.8p1/8.12.8) with ESMTP id h8IHvgAD043023; Thu, 18 Sep 2003 19:57:42 +0200 (CEST) (envelope-from ajacoutot@lphp.org) From: Antoine Jacoutot To: Chuck Swiger Date: Thu, 18 Sep 2003 19:57:36 +0200 User-Agent: KMail/1.5.3 References: <3F69E2DF.6090301@lphp.org> <3F69EAB1.1010203@mac.com> In-Reply-To: <3F69EAB1.1010203@mac.com> MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Content-Description: clearsigned data Content-Disposition: inline Message-Id: <200309181957.39654.ajacoutot@lphp.org> cc: freebsd-questions@freebsd.org Subject: Re: tcp sendspace X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 18 Sep 2003 17:57:46 -0000 X-List-Received-Date: Thu, 18 Sep 2003 17:57:46 -0000 =2D----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On Thursday 18 September 2003 19:26, Chuck Swiger wrote: > > was a bad idea ? > > Probably not. Good :) > Are you trying to solve a problem or tune network performance, or are you > just asking what happens if you twiddle this particular knob? :-) I'm trying to tune network performance. > There's a formula involving network latency and bandwidth which is > relevant; that, plus the amount of traffic (how many connections) > determines how much RAM the larger network buffer size could/will take up= =2E=20 The boxes I'm talking about have between 512 and 1 Go of RAM. > You haven't told us what the machine is being used for, either-- network > tuning a fileserver talking to clients on the LAN can be quite different > than tuning a webserver feeding clients using 56K modems. Well, I'm building some servers that are not in production yet, but will be= =20 soon, They're all going to be intensively accessed, either with samba shares (ins= ide=20 the LAN --> users homedir and other shares) or http (from optical fiber 2MB= =20 connection) from the internet. Antoine =2D----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.3 (FreeBSD) iD8DBQE/afITY3Hnhkr+5cQRAiauAJ95uOhVn3fgBJaLvILzUY7wfabkVACbBSBH 1EV5Zy+ptPazA7xUAheE4Kc=3D =3DYk+M =2D----END PGP SIGNATURE-----