From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263392AbTJ0CIq (ORCPT ); Sun, 26 Oct 2003 21:08:46 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S263395AbTJ0CIq (ORCPT ); Sun, 26 Oct 2003 21:08:46 -0500 Received: from adsl-63-194-239-202.dsl.lsan03.pacbell.net ([63.194.239.202]:48646 "EHLO mmp-linux.matchmail.com") by vger.kernel.org with ESMTP id S263392AbTJ0CIq (ORCPT ); Sun, 26 Oct 2003 21:08:46 -0500 Date: Sun, 26 Oct 2003 18:08:44 -0800 From: Mike Fedyk To: jw schultz , linux-kernel@vger.kernel.org Subject: Re: Transparent compression in the FS Message-ID: <20031027020844.GC4511@matchmail.com> Mail-Followup-To: jw schultz , linux-kernel@vger.kernel.org References: <1066163449.4286.4.camel@Borogove> <20031015133305.GF24799@bitwizard.nl> <3F8D6417.8050409@pobox.com> <20031016162926.GF1663@velociraptor.random> <20031016172930.GA5653@work.bitmover.com> <20031016174927.GB25836@speare5-1-14> <20031016230448.GA29279@pegasys.ws> <20031017094443.GA7738@elf.ucw.cz> <20031017182321.GB145@pegasys.ws> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20031017182321.GB145@pegasys.ws> User-Agent: Mutt/1.5.4i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Oct 17, 2003 at 11:23:21AM -0700, jw schultz wrote: > The probability of false positives in rsync are orders of > magnitude smaller than they would be in a block hashing > filesystem. Yet we were seeing it happen (with truncated > hash) at measurable rates on files as small as a few hundred > megabytes. It was almost commonplace on iso images. So has there been anything done to solve this problem in rsync?