From owner-freebsd-hackers@FreeBSD.ORG Thu Jul 15 16:51:56 2004 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7AAFB16A4CE for ; Thu, 15 Jul 2004 16:51:56 +0000 (GMT) Received: from sbcs.cs.sunysb.edu (sbcs.sunysb.edu [130.245.1.15]) by mx1.FreeBSD.org (Postfix) with ESMTP id DD90C43D3F for ; Thu, 15 Jul 2004 16:51:55 +0000 (GMT) (envelope-from atraeger@cs.sunysb.edu) Received: from compserv1 (compserv1 [130.245.1.44]) by sbcs.cs.sunysb.edu (8.12.3/8.12.3) with ESMTP id i6FGpKW7009916 for ; Thu, 15 Jul 2004 12:51:20 -0400 (EDT) Date: Thu, 15 Jul 2004 12:51:22 -0400 (EDT) From: Avishay Traeger X-X-Sender: atraeger@compserv1 To: freebsd-hackers@freebsd.org In-Reply-To: Message-ID: References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Subject: Self-tuning parameters X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jul 2004 16:51:56 -0000 I am currently looking into how various operating systems self-tune their memory-related parameters (automatically adjusting parameters such as how much memory is allocated for various caches, buffer flushing rates, etc.). I have read a few posts indicating that FreeBSD self-tunes many of these parameters. I was wondering if you could provide me with specific information (or point me at source code) about where and how FreeBSD does this. Thanks in advance, Avishay Traeger