From owner-freebsd-questions@FreeBSD.ORG Wed Jan 21 10:37:14 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 017BD16A4CE for ; Wed, 21 Jan 2004 10:37:14 -0800 (PST) Received: from gldis.ca (constans.gldis.ca [66.11.169.73]) by mx1.FreeBSD.org (Postfix) with ESMTP id 25E4643D55 for ; Wed, 21 Jan 2004 10:37:02 -0800 (PST) (envelope-from gldisater@gldis.ca) Received: from gldis.ca (localhost [127.0.0.1]) by gldis.ca (8.12.8p2/8.12.8) with ESMTP id i0LIX4Bc044887; Wed, 21 Jan 2004 13:33:05 -0500 (EST) (envelope-from gldisater@gldis.ca) Message-ID: <400EC72A.1020801@gldis.ca> Date: Wed, 21 Jan 2004 13:38:34 -0500 From: Jeremy Faulkner User-Agent: Mozilla/5.0 (X11; U; FreeBSD i386; en-US; rv:1.6) Gecko/20040120 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Joerg Pernfuss References: <5.2.0.9.0.20040120145720.02132688@mail.auracom.com> <20040121170912.4f1bc946@aragorn> In-Reply-To: <20040121170912.4f1bc946@aragorn> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, hits=0.0 required=5.0 tests=none autolearn=no X-Spam-Checker-Version: SpamAssassin 2.60 (1.212-2003-09-23-exp) on constans.gldis.ca cc: freebsd-questions@freebsd.org Subject: Re: Using FreeBSD to burn in computers X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Jan 2004 18:37:14 -0000 Joerg Pernfuss wrote: > On 21 Jan 2004 09:20:20 -0500 > Dan Pelleg wrote: > > >>>[...] >>>b)make world; make world; make world; make world; make world (my >>>idea here is to run make world and make on XFree86 concurrently, >>>thus stressing the system further - I'm not sure if this is a good >>>idea or not, but I'm sure someone will correct me.) >> >> >>Have make start up many compiles in parallel with the -j switch: for >>example "make -j3". My rule of thumb for a most-effective make is 3 >>times the number of processor. You will probably want a higher number >>just so the strain on memory and disk is higher. > > > For his purpose of stress testing the memory: > make -j64 buildkernel > > I use this on dual proc boxes, maybe -j32 is already more than enough > for a single cpu. > > Won't work with less than 128MiByte RAM iirc, but so far I haven't seen > something different that puts that much stress on your memory. > Surviving this two or three times in a row you can label your RAM > `non-faulty'. > > Joerg Or he could just use memtest (ports/sysutils/memtest) -- Jeremy Faulkner http://www.gldis.ca