From owner-freebsd-net@FreeBSD.ORG Thu Aug 12 13:14:33 2010 Return-Path: Delivered-To: net@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id AE94A1065696; Thu, 12 Aug 2010 13:14:33 +0000 (UTC) (envelope-from prvs=18409c0064=killing@multiplay.co.uk) Received: from mail1.multiplay.co.uk (mail1.multiplay.co.uk [85.236.96.23]) by mx1.freebsd.org (Postfix) with ESMTP id 261098FC0C; Thu, 12 Aug 2010 13:14:32 +0000 (UTC) X-MDAV-Processed: mail1.multiplay.co.uk, Thu, 12 Aug 2010 14:04:07 +0100 X-Spam-Processed: mail1.multiplay.co.uk, Thu, 12 Aug 2010 14:04:07 +0100 X-Spam-Checker-Version: SpamAssassin 3.2.5 (2008-06-10) on mail1.multiplay.co.uk X-Spam-Level: X-Spam-Status: No, score=-5.0 required=6.0 tests=USER_IN_WHITELIST shortcircuit=ham autolearn=disabled version=3.2.5 Received: from r2d2 by mail1.multiplay.co.uk (MDaemon PRO v10.0.4) with ESMTP id md50011054068.msg; Thu, 12 Aug 2010 14:04:06 +0100 X-Authenticated-Sender: Killing@multiplay.co.uk X-MDRemoteIP: 188.220.16.49 X-Return-Path: prvs=18409c0064=killing@multiplay.co.uk X-Envelope-From: killing@multiplay.co.uk Message-ID: <08314D938871496DBCB5DFF19007F0BE@multiplay.co.uk> From: "Steven Hartland" To: "Andre Oppermann" , References: <4C63E921.4040803@networx.ch> Date: Thu, 12 Aug 2010 14:04:02 +0100 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=response Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.5931 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.5931 Cc: eschoedler@viavale.com.br, bug-followup@freebsd.org, net@freebsd.org Subject: Re: kern/141314: Network Performance has decreased by 30%[regression] 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, 12 Aug 2010 13:14:33 -0000 Also if you have a large kern.ipc.maxsockbuf set try removing it we experienced a significant slow down when moving from 7 to 8 with large values for kern.ipc.maxsockbuf. Regards Steve ----- Original Message ----- From: "Andre Oppermann" > Karl, > > What is the RTT (ping time) between your test servers? > > Please try again with the following sysctl disabled: > sysctl net.inet.tcp.inflight.enable=0 ================================================ This e.mail is private and confidential between Multiplay (UK) Ltd. and the person or entity to whom it is addressed. In the event of misdirection, the recipient is prohibited from using, copying, printing or otherwise disseminating it or any information contained in it. In the event of misdirection, illegible or incomplete transmission please telephone +44 845 868 1337 or return the E.mail to postmaster@multiplay.co.uk.