From owner-freebsd-performance@FreeBSD.ORG Mon Jul 14 10:39:06 2003 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 891F137B401 for ; Mon, 14 Jul 2003 10:39:06 -0700 (PDT) Received: from out003.verizon.net (out003pub.verizon.net [206.46.170.103]) by mx1.FreeBSD.org (Postfix) with ESMTP id 973E143FBD for ; Mon, 14 Jul 2003 10:39:03 -0700 (PDT) (envelope-from cswiger@mac.com) Received: from mac.com ([141.149.47.46]) by out003.verizon.net (InterMail vM.5.01.05.33 201-253-122-126-133-20030313) with ESMTP id <20030714173902.CPY4805.out003.verizon.net@mac.com>; Mon, 14 Jul 2003 12:39:02 -0500 Message-ID: <3F12EAB0.3050403@mac.com> Date: Mon, 14 Jul 2003 13:38:56 -0400 From: Chuck Swiger Organization: The Courts of Chaos User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4) Gecko/20030624 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Michael Conlen References: <3F12C6A0.8060004@obfuscated.net> In-Reply-To: <3F12C6A0.8060004@obfuscated.net> X-Enigmail-Version: 0.76.1.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH at out003.verizon.net from [141.149.47.46] at Mon, 14 Jul 2003 12:39:02 -0500 cc: freebsd-performance@freebsd.org Subject: Re: Measuring memory perf X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 14 Jul 2003 17:39:06 -0000 Michael Conlen wrote: > I'm running a number of Apache webservers that use 4 GB of memory. I'm > working on tuning the configurations for Apache, a number of which > affect memory usage. My question is, is there a way to measure inactive > pages that get used again. I figure I'll adjust the Apache memory usage > while monitoring the inactive use versus the disk usage. /usr/ports/web/analog will show you lots of useful stats, including the resources people are hitting most often. Apache is generally stateless and doesn't hold on to resources after serving them, modulo things like mod_perl and the like which do keep state between transactions. -- -Chuck