Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752172AbWJNO5u (ORCPT ); Sat, 14 Oct 2006 10:57:50 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752173AbWJNO5u (ORCPT ); Sat, 14 Oct 2006 10:57:50 -0400 Received: from aa011msr.fastwebnet.it ([85.18.95.71]:2709 "EHLO aa011msr.fastwebnet.it") by vger.kernel.org with ESMTP id S1752172AbWJNO5t (ORCPT ); Sat, 14 Oct 2006 10:57:49 -0400 Date: Sat, 14 Oct 2006 16:57:49 +0200 From: Paolo Ornati To: Matthias Dahl Cc: Jens Axboe , Mike Galbraith , linux-kernel@vger.kernel.org Subject: Re: sluggish system responsiveness under higher IO load Message-ID: <20061014165749.38f59363@localhost> In-Reply-To: <200610141639.58374.mlkernel@mortal-soul.de> References: <200608061200.37701.mlkernel@mortal-soul.de> <200608131815.12873.mlkernel@mortal-soul.de> <20061006175833.4ef08f06@localhost> <200610141639.58374.mlkernel@mortal-soul.de> X-Mailer: Sylpheed-Claws 2.3.0 (GTK+ 2.8.19; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1001 Lines: 28 On Sat, 14 Oct 2006 16:39:57 +0200 Matthias Dahl wrote: > I will give 2.6.19 a test in a few weeks when the dust of all the changes have > settled a bit. :-) -rc2 is rock solid here, but if you want to wait... > > As my Mike Galbraith suggested, I made some tests with renicing the IO > intensive applications. This indeed makes a hell of a difference. Currently I > am renicing everything that causes a lot of disk IO to a nice of 19. Even > though this doesn't fix it completely, the occasional short hangs have become > less common. Renicing to avoid sluggish system with a simple "cp" or untar is at best a workaround... so I say: go with .19 and see what happens ! :) -- Paolo Ornati Linux 2.6.19-rc2 on x86_64 - 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/