Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759847AbWLDFNO (ORCPT ); Mon, 4 Dec 2006 00:13:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1759848AbWLDFNO (ORCPT ); Mon, 4 Dec 2006 00:13:14 -0500 Received: from smtp.osdl.org ([65.172.181.25]:20408 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S1759831AbWLDFNN (ORCPT ); Mon, 4 Dec 2006 00:13:13 -0500 Date: Sun, 3 Dec 2006 21:13:07 -0800 (PST) From: Linus Torvalds To: Andrew Morton cc: Aucoin@Houston.RR.com, "'Tim Schmielau'" , linux-kernel@vger.kernel.org, clameter@sgi.com Subject: Re: la la la la ... swappiness In-Reply-To: <20061203205649.98df030b.akpm@osdl.org> Message-ID: References: <200612032356.kB3NuPc0010673@ms-smtp-04.texas.rr.com> <20061203205649.98df030b.akpm@osdl.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1033 Lines: 31 On Sun, 3 Dec 2006, Andrew Morton wrote: > On Sun, 3 Dec 2006 17:56:30 -0600 > "Aucoin" wrote: > > > I hope I haven't muddied things up even more but basically what we want to > > do is find a way to limit the number of cached pages for disk I/O on the OS > > filesystem, even if it drastically slows down the untar and verify process > > because the disk I/O we really care about is not on any of the OS > > partitions. > > Try mounting that fs with `-o sync'. Wouldn't it be much nicer to just lower the dirty-page limit? echo 1 > /proc/sys/vm/dirty_background_ratio echo 2 > /proc/sys/vm/dirty_ratio or something. Which we already discussed in another thread and almost already decided we should lower the values for big-mem machines.. Hmm? Linus - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/