From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andreas Dilger Subject: Re: Ext3: changes to increase the speed? Date: Sun, 1 Apr 2007 10:56:46 -0600 Message-ID: <20070401165646.GL5967@schatzie.adilger.int> References: Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: linux-fsdevel@vger.kernel.org, ext3-users@redhat.com To: Eriberto Return-path: Received: from mail.clusterfs.com ([206.168.112.78]:56354 "EHLO mail.clusterfs.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933652AbXDAQ4s (ORCPT ); Sun, 1 Apr 2007 12:56:48 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On Apr 01, 2007 12:11 -0300, Eriberto wrote: > I tested ext3 performance recently and the results were very good. I > used a script to create 40.000 files into ext3 partition and the speed > was 4 seconds. One year before, the result was 55 seconds. Which the > cause of this speed increase? Likely the mke2fs is enabling the "dir_index" feature by default now. This shows dramatic performance improvements with > 10000 files per directory. Cheers, Andreas -- Andreas Dilger Principal Software Engineer Cluster File Systems, Inc.