Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261443AbUD1UxR (ORCPT ); Wed, 28 Apr 2004 16:53:17 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261530AbUD1UCs (ORCPT ); Wed, 28 Apr 2004 16:02:48 -0400 Received: from atrey.karlin.mff.cuni.cz ([195.113.31.123]:54959 "EHLO atrey.karlin.mff.cuni.cz") by vger.kernel.org with ESMTP id S261443AbUD1TRM (ORCPT ); Wed, 28 Apr 2004 15:17:12 -0400 Date: Tue, 27 Apr 2004 22:34:27 +0200 From: Pavel Machek To: "Theodore Ts'o" , Miquel van Smoorenburg , linux-kernel@vger.kernel.org Subject: Re: File system compression, not at the block layer Message-ID: <20040427203426.GB6116@openzaurus.ucw.cz> References: <408951CE.3080908@techsource.com> <20040423174146.GB5977@thunk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20040423174146.GB5977@thunk.org> User-Agent: Mutt/1.3.27i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 954 Lines: 24 Hi! > > >Well, why not do the compression at the highest layer? > > >[...] doing it transparently and for all files. > > > > http://e2compr.sourceforge.net/ > > It's been done (see the above URL), but given how cheap disk space has > gotten, and how the speed of CPU has gotten faster much more quickly > than disk access has, many/most people have not be interested in > trading off performance for space. As a result, there are race Is CPU_speed / disk_throughput increasing? If so, compression might help once again. CPU_speed / net_throughput probably is increasing, so compressedNFS would probably make sense. Pavel -- 64 bytes from 195.113.31.123: icmp_seq=28 ttl=51 time=448769.1 ms - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/