From owner-freebsd-performance@FreeBSD.ORG Mon Aug 15 21:41:05 2005 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 E31EC16A41F for ; Mon, 15 Aug 2005 21:41:05 +0000 (GMT) (envelope-from jcoene@gotfrag.com) Received: from ms-smtp-01.nyroc.rr.com (ms-smtp-01.nyroc.rr.com [24.24.2.55]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6511A43D53 for ; Mon, 15 Aug 2005 21:41:05 +0000 (GMT) (envelope-from jcoene@gotfrag.com) Received: from jdesk (cpe-66-66-155-141.rochester.res.rr.com [66.66.155.141]) by ms-smtp-01.nyroc.rr.com (8.12.10/8.12.10) with ESMTP id j7FLf1DX022600; Mon, 15 Aug 2005 17:41:02 -0400 (EDT) Message-Id: <200508152141.j7FLf1DX022600@ms-smtp-01.nyroc.rr.com> From: "Jason Coene" To: "'Scott Lambert'" Date: Mon, 15 Aug 2005 17:41:02 -0400 MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit X-Mailer: Microsoft Office Outlook, Build 11.0.5510 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2527 In-Reply-To: <20050815210613.GA99663@sysmon.tcworks.net> Thread-Index: AcWh3SweOdIZ4LILSi6mvTI31MxKsQABD/pQ X-Virus-Scanned: Symantec AntiVirus Scan Engine Cc: freebsd-performance@freebsd.org Subject: RE: TCP Transfers slowing down 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: Mon, 15 Aug 2005 21:41:06 -0000 > > Do you know if there were any changes between 5.2 and 5.4 that may have > an > > impact on this? > > Just a thought, but I think SACK went in during that time period. > I'm not sure if this is a valid test, but I just found and disabled net.inet.tcp.sack.enable, it produced the same result. Jason