From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.fusionio.com ([64.244.102.30]:44120 "EHLO mx1.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751914Ab1ACLDL (ORCPT ); Mon, 3 Jan 2011 06:03:11 -0500 Message-ID: <4D21AD43.3090200@fusionio.com> Date: Mon, 3 Jan 2011 12:04:35 +0100 From: Jens Axboe MIME-Version: 1.0 Subject: Re: Suggestion on size= and test length References: <4D1FFB19.7020202@shiftmail.org> In-Reply-To: <4D1FFB19.7020202@shiftmail.org> Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Spelic Cc: fio@vger.kernel.org On 2011-01-02 05:12, Spelic wrote: > Dear fio developers, > > Thanks for the very good application, but may I suggest that the size= > option controls only the size of the files used for the test (in > particular random r/w tests), while there should be another option > totaltransfer= which controls how long is the test? And/or a walltime= > option to make the test length time based... even better! > > Currently we either are hit by short seeks (size= small) or have to > wait for impossibly long tests uselessly (size= large). What about just adding a runtime= setting to shorten the run? Use the full size, but put a cap on runtime. -- Jens Axboe