From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail172.messagelabs.com (mail172.messagelabs.com [216.82.254.3]) by kanga.kvack.org (Postfix) with ESMTP id 937378D005B for ; Sat, 30 Oct 2010 15:08:34 -0400 (EDT) Date: Sat, 30 Oct 2010 15:06:07 -0400 From: Chris Mason Subject: Re: 2.6.36 io bring the system to its knees Message-ID: <20101030190607.GB2918@think> References: <20101028090002.GA12446@elte.hu> <20101028133036.GA30565@elte.hu> <20101028170132.GY27796@think> <20101029145212.GA21205@thunk.org> <20101030091440.GA15276@elte.hu> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: owner-linux-mm@kvack.org To: Aidar Kultayev Cc: Ingo Molnar , Ted Ts'o , Pekka Enberg , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Linus Torvalds , Andrew Morton , Jens Axboe , Peter Zijlstra , Nick Piggin , Arjan van de Ven , Thomas Gleixner List-ID: On Sat, Oct 30, 2010 at 07:02:35PM +0600, Aidar Kultayev wrote: > Hi, > > here is what I have : > > .ext4 mounted with data=ordered > .-tip tree ( uname -a gives : Linux pussy 2.6.36-tip+ ) > > here is the latencytop & powertop & top screenshot: > > http://picasaweb.google.com/lh/photo/bMTgbVDoojwUeXtVdyvIKw?feat=directlink It's actually better, fsync is missing anyway. Please try ext4 data=writeback. -chris -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org