Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262157AbUC1R31 (ORCPT ); Sun, 28 Mar 2004 12:29:27 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262153AbUC1R31 (ORCPT ); Sun, 28 Mar 2004 12:29:27 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:32212 "EHLO www.linux.org.uk") by vger.kernel.org with ESMTP id S262132AbUC1R3Y (ORCPT ); Sun, 28 Mar 2004 12:29:24 -0500 Message-ID: <40670B63.8040704@pobox.com> Date: Sun, 28 Mar 2004 12:29:07 -0500 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030703 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Jens Axboe CC: Andrew Morton , nickpiggin@yahoo.com.au, linux-ide@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] speed up SATA References: <4066021A.20308@pobox.com> <40661049.1050004@yahoo.com.au> <406611CA.3050804@pobox.com> <406616EE.80301@pobox.com> <4066191E.4040702@yahoo.com.au> <40662108.40705@pobox.com> <20040327170257.24c82915.akpm@osdl.org> <406625D4.7090605@pobox.com> <20040328135907.GC24370@suse.de> In-Reply-To: <20040328135907.GC24370@suse.de> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 671 Lines: 22 Jens Axboe wrote: > On Sat, Mar 27 2004, Jeff Garzik wrote: > >>"IOPs" are what make a lot of storage peeps excited these days, so they >>are being pushed in a low-latency direction anyway. > > > IOPS says nothing about latency, it's still 100% throughput oriented. In order to achieve a large IOPs number, one must sent a ton of small requests. Per-request latency as well as overall throughput is a factor. Jeff - 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/