Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965085AbWHYFlY (ORCPT ); Fri, 25 Aug 2006 01:41:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965184AbWHYFlY (ORCPT ); Fri, 25 Aug 2006 01:41:24 -0400 Received: from mx1.suse.de ([195.135.220.2]:62926 "EHLO mx1.suse.de") by vger.kernel.org with ESMTP id S965085AbWHYFlX (ORCPT ); Fri, 25 Aug 2006 01:41:23 -0400 From: Neil Brown To: Andrzej Szymanski , Miquel van Smoorenburg , linux-kernel@vger.kernel.org Date: Fri, 25 Aug 2006 15:41:15 +1000 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Message-ID: <17646.36219.417129.477853@cse.unsw.edu.au> Subject: Re: Strange write starvation on 2.6.17 (and other) kernels In-Reply-To: message from Neil Brown on Tuesday August 22 References: <44E0A69C.5030103@agh.edu.pl> <17641.3304.948174.971955@cse.unsw.edu.au> <44E9A9C0.6000405@agh.edu.pl> <17642.46325.818963.951269@cse.unsw.edu.au> X-Mailer: VM 7.19 under Emacs 21.4.1 X-face: [Gw_3E*Gng}4rRrKRYotwlE?.2|**#s9D > In my various experimenting the one thing that was effective in > improving the fairness was to make Linux impose write throttling more > often. I might have found something else too.... Were you using ext3? If you, can you try mounting with data=writeback and see if that makes any difference to the fairness? Thanks, NeilBrown - 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/