From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753981AbXD1Qaq (ORCPT ); Sat, 28 Apr 2007 12:30:46 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965933AbXD1Qap (ORCPT ); Sat, 28 Apr 2007 12:30:45 -0400 Received: from smtp1.linux-foundation.org ([65.172.181.25]:60225 "EHLO smtp1.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S965921AbXD1Qal (ORCPT ); Sat, 28 Apr 2007 12:30:41 -0400 Date: Sat, 28 Apr 2007 09:30:06 -0700 (PDT) From: Linus Torvalds To: Matthias Andree cc: Andrew Morton , Mike Galbraith , LKML , Jens Axboe Subject: Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation) In-Reply-To: <20070428085148.GC31196@merlin.emma.line.org> Message-ID: References: <1177660767.6567.41.camel@Homer.simpson.net> <20070427113117.98c4f88b.akpm@linux-foundation.org> <20070428085148.GC31196@merlin.emma.line.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 On Sat, 28 Apr 2007, Matthias Andree wrote: > > Another thing that is rather unpleasant (haven't yet tried fiddling with > the dirty limits) is UDF to DVD-RAM - try rsyncing /home to a DVD-RAM, > that's going to leave you with tons of dirty buffers that clear slowly > -- "watch -n 1 grep -i dirty /proc/meminfo" is boring, but elucidating... Now *this* is actually really really nasty. There are worse examples. Try connecting some flash disk over USB-1, and untar to it. Ugh. I'd love to have some per-device dirty limit, but it's harder than it should be. Linus