From owner-freebsd-performance@FreeBSD.ORG Thu Feb 14 19:44:24 2008 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 906AD16A41A for ; Thu, 14 Feb 2008 19:44:24 +0000 (UTC) (envelope-from kris@FreeBSD.org) Received: from weak.local (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id EF80F13C455; Thu, 14 Feb 2008 19:44:23 +0000 (UTC) (envelope-from kris@FreeBSD.org) Message-ID: <47B49A16.1080103@FreeBSD.org> Date: Thu, 14 Feb 2008 20:44:22 +0100 From: Kris Kennaway User-Agent: Thunderbird 2.0.0.9 (Macintosh/20071031) MIME-Version: 1.0 To: Brett Bump References: <20080214114759.R75215@mail.rsts.org> In-Reply-To: <20080214114759.R75215@mail.rsts.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-performance@freebsd.org Subject: Re: System perforamance 4.x vs. 5.x and 6.x 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: Thu, 14 Feb 2008 19:44:24 -0000 Brett Bump wrote: > I've changed the order of php extensions, disabled autonegotiation, > moved mail queues and large volume directory folders to separate > drives and set noatime. Nothing seems to make much of an impact. > My next idea was to setup my kernel for device_polling, but none of > this is really diagnosing what the real problem is. Any clues? We are going to need more information about your system. What do you mean by "peak activity"? What is running on the system when it performs badly (check top -S, ps, gstat, vmstat -w, vmstat -i). What is your kernel configuration, dmesg and relevant aspects of the system configuration? Kris