Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761677AbZFPSk5 (ORCPT ); Tue, 16 Jun 2009 14:40:57 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756411AbZFPSkt (ORCPT ); Tue, 16 Jun 2009 14:40:49 -0400 Received: from stz-softwaretechnik.de ([217.160.223.211]:4882 "EHLO stlx01.stz-softwaretechnik.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751023AbZFPSks (ORCPT ); Tue, 16 Jun 2009 14:40:48 -0400 Date: Tue, 16 Jun 2009 20:40:27 +0200 From: Ralf Gross To: linux-kernel@vger.kernel.org Subject: Re: io-scheduler tuning for better read/write ratio Message-ID: <20090616184027.GB7043@p15145560.pureserver.info> References: <20090616154342.GA7043@p15145560.pureserver.info> <4A37CB2A.6010209@davidnewall.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4A37CB2A.6010209@davidnewall.com> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 491 Lines: 14 David Newall schrieb: > Ralf Gross wrote: > > write throughput is much higher than the read throughput (40 MB/s > > read, 90 MB/s write). Hm, but I get higher read throughput (160-200 MB/s) if I don't write to the device at the same time. Ralf -- 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/