Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965371AbXATU27 (ORCPT ); Sat, 20 Jan 2007 15:28:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965369AbXATU27 (ORCPT ); Sat, 20 Jan 2007 15:28:59 -0500 Received: from [139.30.44.16] ([139.30.44.16]:29752 "EHLO gockel.physik3.uni-rostock.de" rhost-flags-FAIL-FAIL-OK-OK) by vger.kernel.org with ESMTP id S965371AbXATU26 (ORCPT ); Sat, 20 Jan 2007 15:28:58 -0500 Date: Sat, 20 Jan 2007 21:28:57 +0100 (CET) From: Tim Schmielau To: Willy Tarreau cc: Ismail =?iso-8859-1?Q?D=F6nmez?= , linux-kernel@vger.kernel.org Subject: Re: Abysmal disk performance, how to debug? In-Reply-To: <20070120201923.GC25307@1wt.eu> Message-ID: References: <200701201920.54620.ismail@pardus.org.tr> <200701201952.54714.ismail@pardus.org.tr> <200701202216.16637.ismail@pardus.org.tr> <20070120201923.GC25307@1wt.eu> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 654 Lines: 18 On Sat, 20 Jan 2007, Willy Tarreau wrote: > Anyway, in your situation with a very small buffer, this should not > change by more than half a second or so. Well, his buffer is not small. He has half a GB of RAM, so when writing 1 GB the buffer would roughly double the dd speed, exactly as he has shown us. Anyways, instead of always just posting similar answers to yours, I'll have dinner now. :-) Tim - 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/