From owner-freebsd-stable@FreeBSD.ORG Mon May 7 20:38:11 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 D823316A402 for ; Mon, 7 May 2007 20:38:11 +0000 (UTC) (envelope-from marsgmiro@gmail.com) Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.227]) by mx1.freebsd.org (Postfix) with ESMTP id 93EF213C44C for ; Mon, 7 May 2007 20:38:11 +0000 (UTC) (envelope-from marsgmiro@gmail.com) Received: by wr-out-0506.google.com with SMTP id 70so1636317wra for ; Mon, 07 May 2007 13:38:10 -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:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=RI2H3GEgcBP93QyyUlr0WZudryCSia2T4hszjMAohmKibEhjOFjXQVf4fqmrWTy18dQ4CYPW0yNxOYpBF+KHPWjdzZpRzSQ1Arm7voSfJEwZIQGxQbizcnQeGGCYYQQyi/GuUgtR7OAvGEWFdo81bRMTAd7nFCTgtp8HhiI6wEw= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=jhZX8G/vNHuLVjXZ4/VmjWdrjpSzJW0fe7BMDqitHxajGv4QcwbccCPconaLbdkcsgg4itndg1GzYQ+AsEcFKOvJgTMn8CTB2MdAKKKCIEtfNwgJt3uN7/hZhY5PKo0X5vWertrE/+4/J+LMIqiuBkDWkgtimR4vawzkRSA6uRc= Received: by 10.115.88.1 with SMTP id q1mr2188088wal.1178570290001; Mon, 07 May 2007 13:38:10 -0700 (PDT) Received: by 10.114.59.16 with HTTP; Mon, 7 May 2007 13:38:09 -0700 (PDT) Message-ID: <28edec3c0705071338m7d14206at218eb0efb1aa24d1@mail.gmail.com> Date: Tue, 8 May 2007 04:38:09 +0800 From: "Mars G. Miro" To: freebsd-stable@freebsd.org, "Oliver Fromme" In-Reply-To: <200705071615.l47GFCpp032048@lurza.secnetix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <28edec3c0705021247s84ee50fwe7f70a839bbcb8bc@mail.gmail.com> <200705071615.l47GFCpp032048@lurza.secnetix.de> Cc: 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: Mon, 07 May 2007 20:38:11 -0000 On 5/8/07, Oliver Fromme wrote: > Mars G. Miro wrote: > > 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've made similar tests in the past, and my conclusion is > that it's not worth it. > > Using a memory disk for /usr/obj doesn't make much sense, > because soft-updates decouples the physical writes pretty as i've mentioned in my original email, da mfs's were created w/ softupdates turned off > well from the build process. On the other hand, using a > memory disk for /usr/src _might_ help a little, but it > depends on a lot of things. Especially if you have a again, both /usr/src and /usr/obj were mfs, and even async, noatime > speedy I/O system and plenty of RAM (so all of the files > can be cached) and /usr/src is mounted with the "noatime" > option, the difference is very small. > as Kris mentioned, a buildworld isnt prolly da appropriate test for mfs, as for da chrooted /usr or da buildkernel tests, I havent really tried them --- will try to do so and report back when i get da time ... btw, a buildworld on da x4100s takes just about da same times ~ 18mins... > By the way, please stop writing "da" instead of "the". It > looks childish and makes your mails difficult to read, so > it might prevent people from helping you. > oops. d0h ;-) > Best regards > Oliver > > -- > Oliver Fromme, secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing b. M. > Handelsregister: Registergericht Muenchen, HRA 74606, Gesch=E4ftsfuehrun= g: > secnetix Verwaltungsgesellsch. mbH, Handelsregister: Registergericht M=FC= n- > chen, HRB 125758, Gesch=E4ftsf=FChrer: Maik Bachmann, Olaf Erb, Ralf Geb= hart > > FreeBSD-Dienstleistungen, -Produkte und mehr: http://www.secnetix.de/bsd > > "The ITU has offered the IETF formal alignment with its > corresponding technology, Penguins, but that won't fly." > -- RFC 2549 > cheers mars