From mboxrd@z Thu Jan 1 00:00:00 1970 From: Chuck Ebbert Subject: Re: SLUB performance regression vs SLAB Date: Thu, 04 Oct 2007 17:02:17 -0400 Message-ID: <470554D9.2050505@redhat.com> References: <20071004183224.GA8641@linux.intel.com> <20071004192824.GA9852@linux.intel.com> <20071004.135537.39158051.davem@davemloft.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: willy@linux.intel.com, clameter@sgi.com, nickpiggin@yahoo.com.au, hch@lst.de, mel@skynet.ie, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, dgc@sgi.com, jens.axboe@oracle.com, suresh.b.siddha@intel.com To: David Miller Return-path: Received: from mx1.redhat.com ([66.187.233.31]:55722 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757297AbXJDVHa (ORCPT ); Thu, 4 Oct 2007 17:07:30 -0400 In-Reply-To: <20071004.135537.39158051.davem@davemloft.net> Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-fsdevel.vger.kernel.org On 10/04/2007 04:55 PM, David Miller wrote: > > Anything, I do mean anything, can be simulated using small test > programs. How do you simulate reading 100TB of data spread across 3000 disks, selecting 10% of it using some criterion, then sorting and summarizing the result?