From owner-freebsd-hackers@FreeBSD.ORG Sat Oct 23 18:27:12 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A870E16A4CE for ; Sat, 23 Oct 2004 18:27:12 +0000 (GMT) Received: from voodoo.oberon.net (voodoo.oberon.net [212.118.165.100]) by mx1.FreeBSD.org (Postfix) with ESMTP id 6E7AA43D48 for ; Sat, 23 Oct 2004 18:27:12 +0000 (GMT) (envelope-from igor@doom.homeunix.org) Received: from [84.204.7.14] (helo=doom.homeunix.org) by voodoo.oberon.net with esmtps (TLSv1:AES256-SHA:256) (Exim 4.43 (FreeBSD)) id 1CLQao-00018M-Kk for hackers@freebsd.org; Sat, 23 Oct 2004 20:27:10 +0200 Received: from doom.homeunix.org (localhost [127.0.0.1]) by doom.homeunix.org (8.13.1/8.13.1) with ESMTP id i9NIOmxB019164 for ; Sat, 23 Oct 2004 22:25:16 +0400 (MSD) (envelope-from igor@doom.homeunix.org) Received: (from igor@localhost) by doom.homeunix.org (8.13.1/8.13.1/Submit) id i9NIOK7x019163 for hackers@freebsd.org; Sat, 23 Oct 2004 22:24:20 +0400 (MSD) (envelope-from igor) Date: Sat, 23 Oct 2004 22:24:20 +0400 From: Igor Pokrovsky To: hackers@freebsd.org Message-ID: <20041023182420.GA19119@doom.homeunix.org> Mail-Followup-To: hackers@freebsd.org References: <20041022223238.GA12502@tikitechnologies.com> <20041023180638.GA19033@doom.homeunix.org> <417A9F1E.8060104@gamersimpact.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <417A9F1E.8060104@gamersimpact.com> User-Agent: Mutt/1.4.2.1i Subject: Re: Relative performance of swap-backed MFS vs. regular UFS? X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Oct 2004 18:27:12 -0000 On Sat, Oct 23, 2004 at 01:12:46PM -0500, Ryan Sommers wrote: > > > >You can also use md(4). In my case I use it for /tmp. > > > MFS is the same thing as md(4). mfs = Memory File System, md = Memory > Disk. Difference is only in the name. I thought mfs is allocated from virtual memory, while md - directly from RAM. Am I wrong? -ip -- The best shots happen immediately after the last frame is exposed.