From owner-freebsd-ia64@FreeBSD.ORG Wed Jul 29 17:53:07 2009 Return-Path: Delivered-To: freebsd-ia64@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 72D1B1065672; Wed, 29 Jul 2009 17:53:07 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from dirg.bris.ac.uk (dirg.bris.ac.uk [137.222.10.102]) by mx1.freebsd.org (Postfix) with ESMTP id 2D2F68FC13; Wed, 29 Jul 2009 17:53:06 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from seis.bris.ac.uk ([137.222.10.93]) by dirg.bris.ac.uk with esmtp (Exim 4.69) (envelope-from ) id 1MWDKo-00049H-Tb; Wed, 29 Jul 2009 18:53:05 +0100 Received: from mech-cluster241.men.bris.ac.uk ([137.222.187.241]) by seis.bris.ac.uk with esmtp (Exim 4.67) (envelope-from ) id 1MWDKo-0003J5-0p; Wed, 29 Jul 2009 18:53:02 +0100 Received: from mech-cluster241.men.bris.ac.uk (localhost [127.0.0.1]) by mech-cluster241.men.bris.ac.uk (8.14.3/8.14.3) with ESMTP id n6THr17i088301; Wed, 29 Jul 2009 18:53:01 +0100 (BST) (envelope-from mexas@bristol.ac.uk) Received: (from mexas@localhost) by mech-cluster241.men.bris.ac.uk (8.14.3/8.14.3/Submit) id n6THr16D088300; Wed, 29 Jul 2009 18:53:01 +0100 (BST) (envelope-from mexas@bristol.ac.uk) X-Authentication-Warning: mech-cluster241.men.bris.ac.uk: mexas set sender to mexas@bristol.ac.uk using -f Date: Wed, 29 Jul 2009 18:53:01 +0100 From: Anton Shterenlikht To: Mel Flynn Message-ID: <20090729175301.GA87838@mech-cluster241.men.bris.ac.uk> References: <20090729172431.GA69866@mech-cluster241.men.bris.ac.uk> <200907290935.02504.mel.flynn+fbsd.current@mailing.thruhere.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200907290935.02504.mel.flynn+fbsd.current@mailing.thruhere.net> User-Agent: Mutt/1.5.20 (2009-06-14) X-Spam-Score: -1.5 X-Spam-Level: - Cc: freebsd-current@freebsd.org, freebsd-ia64@freebsd.org Subject: Re: virtually no free memory left on buildworld X-BeenThere: freebsd-ia64@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Porting FreeBSD to the IA-64 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 29 Jul 2009 17:53:07 -0000 On Wed, Jul 29, 2009 at 09:35:02AM -0800, Mel Flynn wrote: > On Wednesday 29 July 2009 09:24:31 Anton Shterenlikht wrote: > > I just installed new 4GB RAM in ia64 rx2600 box. > > On make -j8 buildworld I see with "top -PISu": > > > > > > last pid: 69791; load averages: 8.42, 8.44, 8.59 up 0+02:04:49 > > 18:18:17 154 processes: 11 running, 125 sleeping, 18 waiting > > CPU 0: 88.8% user, 0.0% nice, 11.0% system, 0.1% interrupt, 0.0% idle > > CPU 1: 92.5% user, 0.0% nice, 7.4% system, 0.0% interrupt, 0.0% idle > > Mem: 856M Active, 2414M Inact, 492M Wired, 136M Cache, 417M Buf, 17M Free > > Swap: 2048M Total, 2048M Free > > Good, 2G of filesystem information cached and no swap used. Think of free > memory as wasted memory. ok, so I completely misunderstood free and inactive. Where can I read more on this (active, inactive, wired, cashe, buf, free)? The top man page doesn't explain these memory states. many thanks -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 928 8233 Fax: +44 (0)117 929 4423