From owner-freebsd-performance@FreeBSD.ORG Sat Dec 1 21:08:59 2007 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id CA25816A421 for ; Sat, 1 Dec 2007 21:08:59 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost2.sentex.ca (smarthost2.sentex.ca [205.211.164.50]) by mx1.freebsd.org (Postfix) with ESMTP id 85B6813C448 for ; Sat, 1 Dec 2007 21:08:59 +0000 (UTC) (envelope-from mike@sentex.net) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by smarthost2.sentex.ca (8.14.1/8.13.8) with ESMTP id lB1L8rH6095495; Sat, 1 Dec 2007 16:08:53 -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 lB1L8qAd005766 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Sat, 1 Dec 2007 16:08:52 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <200712012108.lB1L8qAd005766@lava.sentex.ca> X-Mailer: QUALCOMM Windows Eudora Version 7.1.0.9 Date: Sat, 01 Dec 2007 16:06:55 -0500 To: Gergely CZUCZY From: Mike Tancsa In-Reply-To: <20071201205609.GA54238@harmless.hu> References: <20071129101729.GA57985@harmless.hu> <20071130143023.I884@192.168.1.107> <20071201163334.GA21709@harmless.hu> <200712012055.lB1Kt5IQ005728@lava.sentex.ca> <20071201205609.GA54238@harmless.hu> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed Cc: Jeff Roberson , freebsd-performance@freebsd.org Subject: Re: mysql scaling questions 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: Sat, 01 Dec 2007 21:08:59 -0000 At 03:56 PM 12/1/2007, Gergely CZUCZY wrote: >I don't quite understand the question. It's the very same box, with >a dualboot configuration. Fire up the 3ware controller's RAID management software and make sure the same write caching strategy is set for FreeBSD and Linux. The driver my default to different values. i.e. under "controller settings" make sure "write cache" and "queuing" are the same values for linux and freebsd. ---Mike