From: Andreas Dilger Subject: Re: suspiciously good fsck times? Date: Mon, 14 Jul 2008 15:19:13 -0600 Message-ID: <20080714211913.GQ6239@webber.adilger.int> References: <20080710172829.GF10402@mit.edu> <20080710175354.GA3447@mit.edu> <48766D71.7050100@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7BIT Cc: Theodore Tso , linux-ext4@vger.kernel.org To: Ric Wheeler Return-path: Received: from sca-es-mail-2.Sun.COM ([192.18.43.133]:44368 "EHLO sca-es-mail-2.sun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754511AbYGNVT1 (ORCPT ); Mon, 14 Jul 2008 17:19:27 -0400 Received: from fe-sfbay-10.sun.com ([192.18.43.129]) by sca-es-mail-2.sun.com (8.13.7+Sun/8.12.9) with ESMTP id m6ELJQTB007816 for ; Mon, 14 Jul 2008 14:19:26 -0700 (PDT) Received: from conversion-daemon.fe-sfbay-10.sun.com by fe-sfbay-10.sun.com (Sun Java System Messaging Server 6.2-8.04 (built Feb 28 2007)) id <0K4000H01KL96P00@fe-sfbay-10.sun.com> (original mail from adilger@sun.com) for linux-ext4@vger.kernel.org; Mon, 14 Jul 2008 14:19:26 -0700 (PDT) In-reply-to: <48766D71.7050100@gmail.com> Content-disposition: inline Sender: linux-ext4-owner@vger.kernel.org List-ID: On Jul 10, 2008 16:13 -0400, Ric Wheeler wrote: > It would be interesting to rerun with the 46 million files in one > directory as well (basically, for working sets that have no natural > mapping into directories like some object based workloads). I think you'll hit a limit around 15M files in a single directory. Cheers, Andreas -- Andreas Dilger Sr. Staff Engineer, Lustre Group Sun Microsystems of Canada, Inc.