From owner-freebsd-fs@FreeBSD.ORG Fri Jul 23 11:05:48 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id ADDAC106568B for ; Fri, 23 Jul 2010 11:05:48 +0000 (UTC) (envelope-from andrew@modulus.org) Received: from email.octopus.com.au (email.octopus.com.au [122.100.2.232]) by mx1.freebsd.org (Postfix) with ESMTP id 72C088FC0A for ; Fri, 23 Jul 2010 11:05:47 +0000 (UTC) Received: by email.octopus.com.au (Postfix, from userid 1002) id D433E5CB966; Fri, 23 Jul 2010 20:57:29 +1000 (EST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on spamkiller X-Spam-Level: X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=unavailable version=3.3.1 Received: from [10.20.30.103] (60.218.233.220.static.exetel.com.au [220.233.218.60]) (Authenticated sender: admin@email.octopus.com.au) by email.octopus.com.au (Postfix) with ESMTP id 875655CB8E8; Fri, 23 Jul 2010 20:57:28 +1000 (EST) Message-ID: <4C497782.8020704@modulus.org> Date: Fri, 23 Jul 2010 21:05:38 +1000 From: Andrew Snow User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.10) Gecko/20100528 Thunderbird/3.0.5 MIME-Version: 1.0 To: Attila Nagy , freebsd-fs@freebsd.org References: <4C496EB0.7050004@fsn.hu> In-Reply-To: <4C496EB0.7050004@fsn.hu> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: Subject: Re: ZFS makes SSDs faster than memory! X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 23 Jul 2010 11:05:48 -0000 > 100% of 493 MB 11 MBps 00m00s Hi Attila, fetch is a poor cache benchmark. Your "tests" are taking a split second and fetch's output is gibberish - 493MB @ 11Mbps should take more than 0 seconds. Thus, the results are not useful. - Andrew