From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx2.fusionio.com ([64.244.102.31]:35423 "EHLO mx2.fusionio.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754829Ab1ACOJl (ORCPT ); Mon, 3 Jan 2011 09:09:41 -0500 Message-ID: <4D21D8FC.8070201@fusionio.com> Date: Mon, 3 Jan 2011 15:11:08 +0100 From: Jens Axboe MIME-Version: 1.0 Subject: Re: What is random write of FIO? References: In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Dan Le Cc: fio@vger.kernel.org On 2011-01-02 15:37, Dan Le wrote: > Hi there, > > I understand that FIO performs sequential writes of small files by > just sequentially flushing them into the file system. But for random > writes of either small or large files, how can FIO randomly write > those files into the file system? I am confused because the manual > does not clearly explain this feature. The HOWTO has an explanation on the various service types that you can use for multiple files. Did you read that one? If yes, then please expand on your question with that in mind :-) -- Jens Axboe