From owner-freebsd-performance@FreeBSD.ORG Sun Sep 3 22:38:39 2006 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B424616A4E5 for ; Sun, 3 Sep 2006 22:38:39 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [64.7.153.18]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0D67143D45 for ; Sun, 3 Sep 2006 22:38:38 +0000 (GMT) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by smarthost1.sentex.ca (8.13.6/8.13.6) with ESMTP id k83Mca9O041947; Sun, 3 Sep 2006 18:38:36 -0400 (EDT) (envelope-from mike@sentex.net) Received: from mdt-xp.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.13.6/8.13.3) with ESMTP id k83McbQQ096330 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sun, 3 Sep 2006 18:38:37 -0400 (EDT) (envelope-from mike@sentex.net) Message-Id: <6.2.3.4.0.20060903183720.08c4f158@64.7.153.2> X-Mailer: QUALCOMM Windows Eudora Version 6.2.3.4 Date: Sun, 03 Sep 2006 18:40:54 -0400 To: "Jan Zacharias" , freebsd-performance@freebsd.org From: Mike Tancsa In-Reply-To: References: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Virus-Scanned: ClamAV version 0.88.3, clamav-milter version 0.88.3 on clamscanner3 X-Virus-Status: Clean Cc: Subject: Re: Samba performance, TCP Stack Issue? X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 03 Sep 2006 22:38:39 -0000 At 06:14 PM 9/3/2006, Jan Zacharias wrote: >So far i messed with: > > - ifconfig mtu leave it at 1500 unless everything talking to the box supports jumbo frames. (ie. all routers / switches in between) > - net.inet.tcp settings OK, but what did you fiddle with ? what did you set net.inet.tcp.sendspace ? >net.inet.tcp.recvspace ? >Tuning SO_SNDBUF gave only very little gain, adapting the mtu to match the >win2k box was useless. >W/a net.inet.tcp.inflight.enable enabled the txrate is 2 Mb/s lower, >however 6 Mb/s is still SLOW. 6mega bits or 6 mega Bytes ? ---Mike