From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from merlin.infradead.org ([205.233.59.134]:42955 "EHLO merlin.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751981Ab3FBMUu (ORCPT ); Sun, 2 Jun 2013 08:20:50 -0400 Date: Sun, 2 Jun 2013 14:20:07 +0200 From: Jens Axboe Subject: Re: Question on --buffer_compress_percentage Message-ID: <20130602122007.GQ26106@kernel.dk> References: <20130527082147.GC29680@kernel.dk> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: Sender: fio-owner@vger.kernel.org List-Id: fio@vger.kernel.org To: Matthew Eaton Cc: fio@vger.kernel.org On Sat, Jun 01 2013, Matthew Eaton wrote: > Hi Jens, > > Thank you for your explanation. I have another question in regards to > buffer_compress_percentage if you don't mind. > > If I were to call fio with "--refill_buffers > --buffer_compress_percentage=0", would this be the same as setting > only "--refill_buffers"? Yes, those would be equivalant as the default is to use fully randomized data contents. > Also, if I were to call fio with "--refill_buffers > --buffer_compress_percentage=100", would this be the same as setting > "--zero_buffers"? Yes. -- Jens Axboe