From owner-freebsd-stable@FreeBSD.ORG Tue Nov 9 16:51:26 2004 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id CEA9B16A4CE for ; Tue, 9 Nov 2004 16:51:26 +0000 (GMT) Received: from yertle.kcilink.com (yertle.kcilink.com [65.205.34.180]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3038643D39 for ; Tue, 9 Nov 2004 16:51:24 +0000 (GMT) (envelope-from vivek@khera.org) Received: from [192.168.7.103] (host-103.int.kcilink.com [192.168.7.103]) by yertle.kcilink.com (Postfix) with ESMTP id 8289E217B5 for ; Tue, 9 Nov 2004 11:51:23 -0500 (EST) Mime-Version: 1.0 (Apple Message framework v619) In-Reply-To: <0B0B1841-31CC-11D9-8097-003065ABFD92@mac.com> References: <0B0B1841-31CC-11D9-8097-003065ABFD92@mac.com> Content-Type: text/plain; charset=US-ASCII; format=flowed Message-Id: <968F78D2-326F-11D9-9E53-000A9578CFCC@khera.org> Content-Transfer-Encoding: 7bit From: Vivek Khera Date: Tue, 9 Nov 2004 11:51:23 -0500 To: freebsd-stable@freebsd.org X-Mailer: Apple Mail (2.619) Subject: Re: Filesystem buffer size X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 09 Nov 2004 16:51:26 -0000 On Nov 8, 2004, at 4:20 PM, Charles Swiger wrote: > So long as the system has enough memory available for the working sets > of the processes being run, FreeBSD will use the rest of the memory > for caching stuff from the filesystem without needing any special > tuning. > Are you sure of this? The disk buffer cache from what I have learned is maxed out at 200Mb, which is a small fraction of a 4GB RAM box. Vivek Khera, Ph.D. +1-301-869-4449 x806