From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765733AbXGZG7I (ORCPT ); Thu, 26 Jul 2007 02:59:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759530AbXGZG65 (ORCPT ); Thu, 26 Jul 2007 02:58:57 -0400 Received: from smtpq1.tilbu1.nb.home.nl ([213.51.146.200]:51327 "EHLO smtpq1.tilbu1.nb.home.nl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759251AbXGZG64 (ORCPT ); Thu, 26 Jul 2007 02:58:56 -0400 Message-ID: <46A845BB.9080503@gmail.com> Date: Thu, 26 Jul 2007 08:56:59 +0200 From: Rene Herman User-Agent: Thunderbird 2.0.0.5 (X11/20070716) MIME-Version: 1.0 To: Bongani Hlope CC: Robert Deaton , linux-kernel@vger.kernel.org, ck list , linux-mm@kvack.org Subject: Re: updatedb References: <367a23780707250830i20a04a60n690e8da5630d39a9@mail.gmail.com> <46A81C39.4050009@gmail.com> <200707260839.51407.bhlope@mweb.co.za> In-Reply-To: <200707260839.51407.bhlope@mweb.co.za> Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit X-AtHome-MailScanner-Information: Please contact support@home.nl for more information X-AtHome-MailScanner: Found to be clean Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 07/26/2007 08:39 AM, Bongani Hlope wrote: > On Thursday 26 July 2007 05:59:53 Rene Herman wrote: >> So what's happening? If you sit down with a copy op "top" in one terminal >> and updatedb in another, what does it show? > Just tested that, there's a steady increase in the useage of buff Great. Now concentrate on the "swpd" column, as it's the only thing relevant here. The fact that an updatedb run fills/replaces caches is completely and utterly unsurprising and not something swap-prefetch helps with. The only thing it does is bring back stuff from _swap_. Rene.