From owner-freebsd-questions@FreeBSD.ORG Fri Jan 9 18:30:32 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 79A9C1065790 for ; Fri, 9 Jan 2009 18:30:32 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from mail2.sea5.speakeasy.net (mail2.sea5.speakeasy.net [69.17.117.4]) by mx1.freebsd.org (Postfix) with ESMTP id 4FD438FC24 for ; Fri, 9 Jan 2009 18:30:32 +0000 (UTC) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: (qmail 13277 invoked from network); 9 Jan 2009 18:30:31 -0000 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail2.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 9 Jan 2009 18:30:31 -0000 Received: by be-well.ilk.org (Postfix, from userid 1147) id 993E35084A; Fri, 9 Jan 2009 13:30:30 -0500 (EST) To: "PstreeM China" References: <2c66535d0901082253k5b8ff098w73234a1944929929@mail.gmail.com> <20090109105458.I8836@wojtek.tensor.gdynia.pl> <49672373.3020704@snaffler.net> <2c66535d0901090340y473ce9dcj74ae2a44e5cc0789@mail.gmail.com> From: Lowell Gilbert Date: Fri, 09 Jan 2009 13:30:30 -0500 In-Reply-To: <2c66535d0901090340y473ce9dcj74ae2a44e5cc0789@mail.gmail.com> (PstreeM China's message of "Fri\, 9 Jan 2009 19\:40\:52 +0800") Message-ID: <443afs49ix.fsf@be-well.ilk.org> User-Agent: Gnus/5.11 (Gnus v5.11) Emacs/22.3 (berkeley-unix) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: FreeBSD Questions list Subject: Re: how to use the MFS ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: FreeBSD Questions list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Jan 2009 18:30:33 -0000 "PstreeM China" writes: > i think the option WRKDIRPREFIX is a good idea , and i whill test the > methon unionfs. Definitely benchmark against just using a native local filesystem, though. Taking away all of that memory that FreeBSD would otherwise use for *caching* file data could well end up making your builds *slower* with the MFS than they would have been without it. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/