From owner-freebsd-questions Sun May 30 6:50: 7 1999 Delivered-To: freebsd-questions@freebsd.org Received: from istari.home.net (cc158233-a.catv1.md.home.com [24.3.25.17]) by hub.freebsd.org (Postfix) with ESMTP id 17AC014E7B for ; Sun, 30 May 1999 06:49:55 -0700 (PDT) (envelope-from sjr@home.net) Received: (from sjr@localhost) by istari.home.net (8.9.3/8.9.3) id JAA06509; Sun, 30 May 1999 09:49:16 -0400 (EDT) (envelope-from sjr) Message-Id: <199905301349.JAA06509@istari.home.net> Date: Sun, 30 May 1999 09:49:16 -0400 (EDT) From: "Stephen J. Roznowski" Subject: Tuning FreeBSD (was Re: How 'tweaked' is ftp.cdrom.com?) To: dg@root.com Cc: freebsd-questions@FreeBSD.ORG In-Reply-To: <199905260246.TAA00797@implode.root.com> MIME-Version: 1.0 Content-Type: TEXT/plain; CHARSET=US-ASCII Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On 25 May, David Greenman wrote: > In the past, I've have brought in select performance improvements from > -current development. FreeBSD 3.2 has most of the major performance > improvements that -current has, however, so we're running escentially stock > code now. > This doesn't mean that I'm running "GENERIC", however. The kernel config > file has been specially tuned as well as a variety of sysctl variables and > a few other things. This tuning is what makes wcarchive special and is > something that I do for my clients as needed for their specific application. I'm curious... How to you measure and make these tuning changes. Is it "essentially random" (i.e. let's change parameter X to 2*Y and see if things get better), or is there a method to this? Also, I assume that there is only one wuarchive, so that all tuning needs to occur on the live system (i.e. this isn't something that is replicated in the lab)... Thanks, -SR To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message