From owner-freebsd-stable@FreeBSD.ORG Mon Dec 15 20:10:50 2008 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8193B106567D for ; Mon, 15 Dec 2008 20:10:50 +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 4A5838FC12 for ; Mon, 15 Dec 2008 20:10:50 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by smarthost1.sentex.ca (8.14.3/8.14.3) with ESMTP id mBFKAmRc073372; Mon, 15 Dec 2008 15:10:48 -0500 (EST) (envelope-from mike@sentex.net) Received: from mdt-xp.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.13.8/8.13.3) with ESMTP id mBFKAlZf084580 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Mon, 15 Dec 2008 15:10:48 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <200812152010.mBFKAlZf084580@lava.sentex.ca> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Mon, 15 Dec 2008 15:10:55 -0500 To: Paul MacKenzie , freebsd-stable@freebsd.org From: Mike Tancsa In-Reply-To: <4946B6EF.5080806@cogeco.ca> References: <2515BCEE3A2F4CBA8FFB9F1C052924AA@jmlaptop> <4934CB77.30906@transactionware.com> <494698E4.2070406@cogeco.ca> <200812151900.mBFJ0Jom084267@lava.sentex.ca> <4946B6EF.5080806@cogeco.ca> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Scanned-By: MIMEDefang 2.64 on 64.7.153.18 Cc: Subject: Re: 7.1-PRERELEASE: arcmsr write performance problem X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 15 Dec 2008 20:10:50 -0000 At 02:58 PM 12/15/2008, Paul MacKenzie wrote: >This used to be on a 4.11x system with 1 cpu and only 1gb of ram and >ran flawlessly with much less resources with the same web site code >for a long time. I do not have this problem on the other 7.0 >machine. I originally thought it was just a cpu issue but it is very >closely tied to when something is trying to use the raid arrays and >this seems to be the way to reproduce it. > >I am having a hard time determining why the system load is so high. >Can you recommend the best way to identify the culprit? What does top -S show ? Most of the load is in system. Does the machine in question have a rather large master.passwd file by chance ? (http://www.freebsd.org/cgi/query-pr.cgi?pr=75855) ---Mike