From owner-freebsd-stable@FreeBSD.ORG Sat Mar 6 17:15:29 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 9BF3716A4CE for ; Sat, 6 Mar 2004 17:15:29 -0800 (PST) Received: from smtp3.sentex.ca (smtp3.sentex.ca [64.7.153.18]) by mx1.FreeBSD.org (Postfix) with ESMTP id 434D743D31 for ; Sat, 6 Mar 2004 17:15:29 -0800 (PST) (envelope-from mike@sentex.net) Received: from avscan2.sentex.ca (avscan2.sentex.ca [199.212.134.19]) by smtp3.sentex.ca (8.12.10/8.12.10) with ESMTP id i271FNOp005909; Sat, 6 Mar 2004 20:15:23 -0500 (EST) (envelope-from mike@sentex.net) Received: from localhost (localhost [127.0.0.1]) by avscan2.sentex.ca (Postfix) with ESMTP id A3B7D59CD8; Sat, 6 Mar 2004 20:15:28 -0500 (EST) Received: from avscan2.sentex.ca ([127.0.0.1]) by localhost (avscan2.sentex.ca [127.0.0.1]) (amavisd-new, port 10024) with SMTP id 25379-02; Sat, 6 Mar 2004 20:15:28 -0500 (EST) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by avscan2.sentex.ca (Postfix) with ESMTP id 8BED259CD3; Sat, 6 Mar 2004 20:15:28 -0500 (EST) Received: from simian.sentex.net ([192.168.43.27]) by lava.sentex.ca (8.12.9p2/8.12.9) with ESMTP id i271FQZa071975; Sat, 6 Mar 2004 20:15:26 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <6.0.3.0.0.20040306201215.08fac230@209.112.4.2> X-Sender: mdtpop@209.112.4.2 (Unverified) X-Mailer: QUALCOMM Windows Eudora Version 6.0.3.0 Date: Sat, 06 Mar 2004 20:16:35 -0500 To: "Marc G. Fournier" From: Mike Tancsa In-Reply-To: <20040306210515.M13247@ganymede.hub.org> References: <20040306130937.N71806@ganymede.hub.org> <6.0.3.0.0.20040306180314.08adede0@209.112.4.2> <20040306210515.M13247@ganymede.hub.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Virus-Scanned: by amavisd-new X-Virus-Scanned: by amavisd-new at (avscan2) sentex.ca cc: freebsd-stable@freebsd.org Subject: Re: Odd network issue ... *very* slow scp between two servers X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 07 Mar 2004 01:15:29 -0000 At 08:08 PM 06/03/2004, Marc G. Fournier wrote: > > what does netstat -ni show on both machines for those NICs ? Is the switch > > managed ? If so, see if there are any errors. Also run the tests where > > there is little load going on. A load of 7 is going to impact something > > that needs cpu power (i.e. the ssh encryption) > >re: cpu power ... note that I'm not doing anything special as far as ssh >is concerned for the tests ... just using pure ftp ... I thought about the >encryption/cpu stuff for doing the tests ... Sorry, I thought you said scp was slow. >Also, is there a way, without a reboot, to "reset" the values from netstat nope. But look at /var/mail/root at the daily process. It will have a daily snapshot that you can compare. neptune# netstat -ni >Name Mtu Network Address Ipkts Ierrs Opkts >Oerrs Coll >em0 1500 00:07:e9:05:1b:2e 760794856 58002330 >775900767 0 0 One or 2 input errors are fine. 58,002,330 will have the giant robot yelling "Danger! Danger!" Thats a rate of 7%... ---Mike