From owner-freebsd-stable@FreeBSD.ORG Wed May 2 19:47:41 2007 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id F2C6416A402 for ; Wed, 2 May 2007 19:47:41 +0000 (UTC) (envelope-from marsgmiro@gmail.com) Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.238]) by mx1.freebsd.org (Postfix) with ESMTP id B113013C44B for ; Wed, 2 May 2007 19:47:41 +0000 (UTC) (envelope-from marsgmiro@gmail.com) Received: by wr-out-0506.google.com with SMTP id 70so259873wra for ; Wed, 02 May 2007 12:47:41 -0700 (PDT) DKIM-Signature: a=rsa-sha1; c=relaxed/relaxed; d=gmail.com; s=beta; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=JD9e4Ziootn8LC/D5NmqJbWzNfscObfAZ3X4naPKmSKllLulJO4YS4a6wDzKrU1W+8HuRow9W9X15vVj2W9PdkLNX3u1QAp8qkv67QK8vVnR66vIR5IF0FcmbtsTRPCTlgUu/OtPGwvpxOLZY0eE/yOrpfbdrPAlbyg1epqa1FM= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=DmB81EL0BeosIJUcY0fQ4b+GAT7T0zQ87WHMVAqUbT1ncCD8fHUV7IZFA8+nuLSHdYwPr6nJ5pYdPlP/gbepredz5uOvWyx3eeq9oFna3xLDC5SqdKGt934B7xtie0Jz8Tu/iShjPZhMjaZN9SFfUY1CJIIGGNGt+YIuV97vKBk= Received: by 10.115.18.1 with SMTP id v1mr369800wai.1178135260407; Wed, 02 May 2007 12:47:40 -0700 (PDT) Received: by 10.114.59.16 with HTTP; Wed, 2 May 2007 12:47:40 -0700 (PDT) Message-ID: <28edec3c0705021247s84ee50fwe7f70a839bbcb8bc@mail.gmail.com> Date: Thu, 3 May 2007 03:47:40 +0800 From: "Mars G. Miro" To: "Dominic Marks" In-Reply-To: <28edec3c0705021229w50380f5cqf8608c694bbbf267@mail.gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <28edec3c0705021139h45c785c2s915941c0afb93b5d@mail.gmail.com> <20070502190732.GA42282@xor.obsecurity.org> <28edec3c0705021229w50380f5cqf8608c694bbbf267@mail.gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: mfs and buildworlds on da SunFire x4600 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 May 2007 19:47:42 -0000 >> I've read a lot of threads in da past (and da BSDCan 2006 paper) >> regarding mfs on /usr/src and /usr/obj to speed up buildworlds, >> unfortunately it doesnt seem to improve things. I've tried both a >> malloc and swap based async non-softupdates mfs (and rebooted da box >> every after) but my buildworld speeds seem to be just da same as I do >> it on da MPT SAS disk w/c is just around ~18mins. >When you have 32GB of RAM and 16 CPUs I'm not sure this applies. >Is 18 minutes really too long to wait? :-) Actually, it's not about having to finish building da world in da smallest amount of time, it's about whether mfs would really speed things up... I'll try doing some testing on some of da x4100s w/ 8G of RAM here... Thanks ;-) >> Yeah, i know there's da tmpfs project but I was just wondering if I >> may have missed somthing in my mfs adventures. >> >PS. s/da/the/g (please!) >Dominic cheers mars