From owner-freebsd-stable Mon Apr 5 8:20:16 1999 Delivered-To: freebsd-stable@freebsd.org Received: from pop.uniserve.com (pop.uniserve.com [204.244.156.3]) by hub.freebsd.org (Postfix) with SMTP id 091EB153D9 for ; Mon, 5 Apr 1999 08:20:13 -0700 (PDT) (envelope-from tom@uniserve.com) Received: from shell.uniserve.ca [204.244.186.218] by pop.uniserve.com with smtp (Exim 1.82 #4) id 10UB5u-000114-00; Mon, 5 Apr 1999 08:15:22 -0700 Date: Mon, 5 Apr 1999 08:15:21 -0700 (PDT) From: Tom X-Sender: tom@shell.uniserve.ca To: Brad Knowles Cc: Mike Tancsa , doka@triton.kiev.sovam.com, freebsd-stable@FreeBSD.ORG Subject: Re: benchmark program In-Reply-To: <19990405163628.014925@relay.skynet.be> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Mon, 5 Apr 1999, Brad Knowles wrote: > I'm curious. I looked at bonnie, and it creates a huge file (with > (2**31)-1 problems), which it then reads and re-writes with multiple > child processes (unless I misunderstand the man page). What (2**31) -1) problem? > However, this exercises the buffer cache but does not exercise the Since the file is large, the cache is not useful. > creation of lots of small files, directories and subdirectories, etc... > (e.g., the kind of traffic that one might see with a heavily loaded news > server), and this misses much of the potential performance enhancements > of "soft updates", etc.... Yes, bonnie is situated towards testing raw io performance. > I'm wondering if anyone has heard of any benchmark programs that are > more oriented towards some sort of simulation of a heavily loaded news > server, or the kind of load you might see with a heavily loaded anonymous > ftp server (both during the mirror updates and during heavy reader load)? > Are any of these benchmarks portable to other platforms? Well, it shouldn't be hard to create one. Tom To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message