Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965035AbWHHTBd (ORCPT ); Tue, 8 Aug 2006 15:01:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965037AbWHHTBd (ORCPT ); Tue, 8 Aug 2006 15:01:33 -0400 Received: from brick.kernel.dk ([62.242.22.158]:53331 "EHLO kernel.dk") by vger.kernel.org with ESMTP id S965035AbWHHTBc (ORCPT ); Tue, 8 Aug 2006 15:01:32 -0400 Date: Tue, 8 Aug 2006 21:02:41 +0200 From: Jens Axboe To: Matthias Dahl Cc: linux-kernel@vger.kernel.org Subject: Re: sluggish system responsiveness under higher IO load Message-ID: <20060808190241.GB11829@suse.de> References: <200608061200.37701.mlkernel@mortal-soul.de> <200608061554.42992.mlkernel@mortal-soul.de> <20060807134841.GC10444@suse.de> <200608081944.12630.mlkernel@mortal-soul.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200608081944.12630.mlkernel@mortal-soul.de> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 797 Lines: 22 On Tue, Aug 08 2006, Matthias Dahl wrote: > > Can you see if this makes any difference whatsoever? > > Sorry but no change for the better with this patch. > > Are there any more informations I can provide to help? Ok, it was worth a shot. I got another report that the patch fixes this behaviour, so maybe we are dealing with two seperate issues. It would be nice if you could gather vmstat 1 info during a problematic period. blktrace info could also be very useful: http://brick.kernel.dk/snaps/blktrace-git-20060807122505.tar.gz -- Jens Axboe - 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/