From owner-freebsd-questions@FreeBSD.ORG Fri Jan 2 16:53:00 2004 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 73ADE16A4CE for ; Fri, 2 Jan 2004 16:53:00 -0800 (PST) Received: from be-well.no-ip.com (lowellg.ne.client2.attbi.com [66.30.200.37]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7643743D3F for ; Fri, 2 Jan 2004 16:52:58 -0800 (PST) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: by be-well.no-ip.com (Postfix, from userid 1147) id D4B1DF; Fri, 2 Jan 2004 19:52:57 -0500 (EST) Sender: lowell@be-well.ilk.org To: "J.D. Bronson" References: <6.0.1.1.2.20040102180137.00b3e980@cheyenne.wixb.com> From: Lowell Gilbert Date: 02 Jan 2004 19:52:57 -0500 In-Reply-To: <6.0.1.1.2.20040102180137.00b3e980@cheyenne.wixb.com> Message-ID: <44wu89vonq.fsf@be-well.ilk.org> Lines: 26 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii cc: freebsd-questions@freebsd.org Subject: Re: memory use on 5.2RC2 i386 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Jan 2004 00:53:00 -0000 "J.D. Bronson" writes: > I have noticed that when building apps (via gcc for example) that my > free RAM (seen via 'top') is diminishing down to almost nothing... "Free RAM is wasted RAM." > Is it going to buffer space? > > it looks like at this rate, I will start swapping soon... I doubt it. I'm sure the system keeps converting buffer and inactive memory into free memory as it needs it. > Any comments or any way to change this behavior? > > ..I dont remember this 'issue' on 4.9.... The FreeBSD virtual memory implementation has always tried to keep memory full. This is the subject of a very popular entry in the FreeBSD Frequently Asked Questions list: http://www.freebsd.org/doc/en_US.ISO8859-1/books/faq/misc.html#TOP-FREEMEM -- Lowell Gilbert, embedded/networking software engineer, Boston area: resume/CV at http://be-well.ilk.org:8088/~lowell/resume/ username/password "public"