From owner-freebsd-performance@FreeBSD.ORG Sat Jan 29 05:20:16 2005 Return-Path: Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6B85816A4CE; Sat, 29 Jan 2005 05:20:16 +0000 (GMT) Received: from avscan1.sentex.ca (avscan1.sentex.ca [199.212.134.11]) by mx1.FreeBSD.org (Postfix) with ESMTP id D5F3B43D46; Sat, 29 Jan 2005 05:20:15 +0000 (GMT) (envelope-from mike@sentex.net) Received: from localhost (localhost.sentex.ca [127.0.0.1]) by avscan1.sentex.ca (8.12.11/8.12.11) with ESMTP id j0T5KE97049011; Sat, 29 Jan 2005 00:20:14 -0500 (EST) (envelope-from mike@sentex.net) Received: from avscan1.sentex.ca ([127.0.0.1]) by localhost (avscan1.sentex.ca [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 48727-04; Sat, 29 Jan 2005 00:20:14 -0500 (EST) Received: from lava.sentex.ca (pyroxene.sentex.ca [199.212.134.18]) by avscan1.sentex.ca (8.12.11/8.12.11) with ESMTP id j0T5KEMj049005; Sat, 29 Jan 2005 00:20:14 -0500 (EST) (envelope-from mike@sentex.net) Received: from simian.sentex.net (simeon.sentex.ca [192.168.43.27]) by lava.sentex.ca (8.12.11/8.12.11) with ESMTP id j0T5K6Ji078297; Sat, 29 Jan 2005 00:20:06 -0500 (EST) (envelope-from mike@sentex.net) Message-Id: <6.2.0.14.0.20050128200200.0860ddf8@64.7.153.2> X-Mailer: QUALCOMM Windows Eudora Version 6.2.0.14 Date: Sat, 29 Jan 2005 00:22:14 -0500 To: Robert Watson From: Mike Tancsa In-Reply-To: References: <6.2.0.14.0.20050128145435.098e3d48@64.7.153.2> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Virus-Scanned: by amavisd-new X-Virus-Scanned: by amavisd-new at avscan1b cc: freebsd-performance@FreeBSD.org cc: jeff@FreeBSD.org Subject: Re: FreeBSD 5.3 I/O Performance / Linux 2.6.10 | Continued Discussion X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 29 Jan 2005 05:20:16 -0000 At 07:49 PM 28/01/2005, Robert Watson wrote: >On Fri, 28 Jan 2005, Mike Tancsa wrote: > > > At 04:52 AM 28/01/2005, Robert Watson wrote: > > > > >Just to get started, using dd to read and write at various block sizes is > > >probably a decent start. Take a few samples, make sure there's a decent > > >sample size, etc, and don't count the first couple of runs. > > > > > > I started over and installed the OS on a separate drive, so that the > > RAID5 partition was one big partition. Bonnie seems fairly equal on the > > 2 platforms. I am just putting together all the IOZONE tests as well > > which I will post later tonight / over the weekend. > >The basic I/O results are encouraging. Could you remind me which storage >controller you're using? Hi, 3ware 8605 with 4 SATA drives in RAID5. >For postmark, could you try running the test against a partition with the >async flag set, but no soft updates turned on? OK [nfs]# newfs /dev/twed0s1d /dev/twed0s1d: 715418.0MB (1465176132 sectors) block size 16384, fragment size 2048 using 3894 cylinder groups of 183.77MB, 11761 blks, 23552 inodes. super-block backups (for fsck -b #) at: [nfs]# mount -o async /dev/twed0s1d /mnt [nfs]# mount /dev/ad0s1a on / (ufs, local) devfs on /dev (devfs, local) /dev/ad0s1e on /tmp (ufs, local, soft-updates) /dev/ad0s1d on /usr (ufs, local, soft-updates) /dev/ad0s1f on /var (ufs, local, soft-updates) /dev/twed0s1d on /mnt (ufs, asynchronous, NFS exported, local) [nfs]# postmark PostMark v1.5 : 3/27/01 pm>set location /mnt pm>set transactions 400000 pm>set size 300 100000 pm>run Creating files...Done Performing transactions..........Done Deleting files...Done Time: 2427 seconds total 2419 seconds of transactions (165 per second) Files: 200107 created (82 per second) Creation alone: 500 files (250 per second) Mixed with transactions: 199607 files (82 per second) 199905 read (82 per second) 199384 appended (82 per second) 200107 deleted (82 per second) Deletion alone: 889 files (148 per second) Mixed with transactions: 199218 files (82 per second) Data: 12715.55 megabytes read (5.24 megabytes per second) 12728.92 megabytes written (5.24 megabytes per second) pm> No difference it would seem. > Also, could you compare >with the sync flag on both Linux and FreeBSD (again, no soft updates)? Linux was with on ext3, so no such option. ---Mike