From: Matthias Andree Subject: Re: [ext3][kernels >= 2.6.20.7 at least] KDE going comatose when FS is under heavy write load (massive starvation) Date: Sat, 28 Apr 2007 10:45:42 +0200 Message-ID: <20070428084542.GB31196@merlin.emma.line.org> References: <1177660767.6567.41.camel@Homer.simpson.net> <20070427013350.d0d7ac38.akpm@linux-foundation.org> <698310e10704270459t7663d39dp977cf055b8db9d2a@mail.gmail.com> <20070427193130.GD5967@schatzie.adilger.int> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: Andreas Dilger , Marat Buharov , Andrew Morton , Mike Galbraith , LKML , Jens Axboe , "linux-ext4@vger.kernel.org" , Alex Tomas To: Linus Torvalds Return-path: Received: from mail.gmx.net ([213.165.64.20]:35867 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1161725AbXD1Ipt (ORCPT ); Sat, 28 Apr 2007 04:45:49 -0400 Content-Disposition: inline In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org On Fri, 27 Apr 2007, Linus Torvalds wrote: > Oh, well.. Journalling sucks. > > I was actually _really_ hoping that somebody would come along and tell > everybody that this whole journal-logging is stupid, and that it's just > better to not ever re-write blocks on disk, but instead write to new > blocks with version numbers (and not re-use old blocks until new versions > are stable on disk). Only that you need direct-overwrite support to be able to safely trash data you no longer need... -- Matthias Andree