From owner-freebsd-current Thu Oct 17 14:01:51 1996 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.7.5/8.7.3) id OAA29562 for current-outgoing; Thu, 17 Oct 1996 14:01:51 -0700 (PDT) Received: from mx.serv.net (mx.serv.net [199.201.191.10]) by freefall.freebsd.org (8.7.5/8.7.3) with ESMTP id OAA29554 for ; Thu, 17 Oct 1996 14:01:47 -0700 (PDT) Received: from MindBender.serv.net by mx.serv.net (8.7.5/SERV Revision: 2.30) id OAA18138; Thu, 17 Oct 1996 14:01:38 -0700 (PDT) Received: from localhost.HeadCandy.com (michaelv@localhost.HeadCandy.com [127.0.0.1]) by MindBender.serv.net (8.7.5/8.7.3) with SMTP id OAA12933; Thu, 17 Oct 1996 14:01:28 -0700 (PDT) Message-Id: <199610172101.OAA12933@MindBender.serv.net> X-Authentication-Warning: MindBender.serv.net: Host michaelv@localhost.HeadCandy.com [127.0.0.1] didn't use HELO protocol To: Michael Hancock cc: Jaye Mathisen , "Marc G. Fournier" , current@freebsd.org Subject: Re: Iozone: local vs nfs drives In-reply-to: Your message of Fri, 18 Oct 96 02:10:53 +0900. Date: Thu, 17 Oct 1996 14:01:27 -0700 From: "Michael L. VanLoon -- HeadCandy.com" Sender: owner-current@freebsd.org X-Loop: FreeBSD.org Precedence: bulk >On Thu, 17 Oct 1996, Jaye Mathisen wrote: >> I would be interested in the answer to this, I see the same behaviour on >> a 2940/Quantum Atlas combo, although the numbers are quite a bit higher. >> In any case, given specifically the issue of news, where most activity is >> reading, this is disturbing. >IOZONE isn't the benchmark to use to determine news performance. >FFS and the file buffering used aren't optimized for reading large files. To elaborate, iozone reads and writes one large file. News reads and writes lots of little files all over the place. Even bonnie is a poor approximation for news. At least bonnie does a lot more that read and write a buffer. But it still works in one large file. ----------------------------------------------------------------------------- Michael L. VanLoon michaelv@MindBender.serv.net --< Free your mind and your machine -- NetBSD free un*x >-- NetBSD working ports: 386+PC, Mac 68k, Amiga, Atari 68k, HP300, Sun3, Sun4/4c/4m, DEC MIPS, DEC Alpha, PC532, VAX, MVME68k, arm32... NetBSD ports in progress: PICA, others... -----------------------------------------------------------------------------