From owner-freebsd-performance@FreeBSD.ORG Sat Oct 30 16:11:42 2004 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 7D07616A4CE for ; Sat, 30 Oct 2004 16:11:42 +0000 (GMT) Received: from otter3.centtech.com (moat3.centtech.com [207.200.51.50]) by mx1.FreeBSD.org (Postfix) with ESMTP id 012B243D49 for ; Sat, 30 Oct 2004 16:11:42 +0000 (GMT) (envelope-from anderson@centtech.com) Received: from [192.168.42.24] ([192.168.42.24]) by otter3.centtech.com (8.12.3/8.12.3) with ESMTP id i9UGBd6u057422; Sat, 30 Oct 2004 11:11:39 -0500 (CDT) (envelope-from anderson@centtech.com) Message-ID: <4183BD37.5090007@centtech.com> Date: Sat, 30 Oct 2004 11:11:35 -0500 From: Eric Anderson User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.7.2) Gecko/20041025 X-Accept-Language: en-us, en MIME-Version: 1.0 To: "R. Payette" References: <0327434A-26F4-11D9-A907-0030658DC702@altern.org> <417E54E9.7030401@centtech.com> In-Reply-To: Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-performance@freebsd.org Subject: Re: Disk buffer / memory utilization 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: Sat, 30 Oct 2004 16:11:42 -0000 R. Payette wrote: > I've read and tried the tuning man page ( i've gained 2-3 M on the wired ). > > This is typical top output during a build process. It's running awfully > slow because the system spend most of it's time swapping, while there > still is that 14M Buf. I'm not sure you'll really get rid of the 14M Buffers, but you might be able to reduce them - what does: sysctl kern.maxusers report? Is this box solely for compiling? Or is it an NFS server, or web server, etc? > What happened with 16-32M ram unix servers ? what's so big in modern > unix that make it unusable on low-end hardware ? How do you build > kernels that fit on a floppy ( mine is 3.3 M and I thought I removed > everything that could be removed from the kernel config file ) From what I see, there is probably still some stuff that can be removed. Do you need eisa support? NFS? MSDOSFS? IPV6? > freebsd 5.3rc1 > p2 350 > de ethernet card ( generic dec 21041 card ) > ide 4.3G hd > 64M ram > kernel config : http://massonerie.kicks-ass.org/kc Can you send (or post on the net somewhere) the output of: ps -auxw Right after the machine boots cleanly? Eric -- ------------------------------------------------------------------ Eric Anderson Sr. Systems Administrator Centaur Technology Talk sense to a fool and he calls you foolish. ------------------------------------------------------------------