From owner-freebsd-current@FreeBSD.ORG Wed Feb 16 20:16:35 2005 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D093A16A4CE for ; Wed, 16 Feb 2005 20:16:35 +0000 (GMT) Received: from odin.ac.hmc.edu (Odin.AC.HMC.Edu [134.173.32.75]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1849643D2D for ; Wed, 16 Feb 2005 20:16:35 +0000 (GMT) (envelope-from brdavis@odin.ac.hmc.edu) Received: from odin.ac.hmc.edu (localhost.localdomain [127.0.0.1]) by odin.ac.hmc.edu (8.13.0/8.13.0) with ESMTP id j1GKHGXN029564; Wed, 16 Feb 2005 12:17:16 -0800 Received: (from brdavis@localhost) by odin.ac.hmc.edu (8.13.0/8.13.0/Submit) id j1GKHGk4029563; Wed, 16 Feb 2005 12:17:16 -0800 Date: Wed, 16 Feb 2005 12:17:16 -0800 From: Brooks Davis To: Sean McNeil Message-ID: <20050216201716.GA28436@odin.ac.hmc.edu> References: <1108584730.95661.12.camel@server.mcneil.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="82I3+IH0IqGh5yIs" Content-Disposition: inline In-Reply-To: <1108584730.95661.12.camel@server.mcneil.com> User-Agent: Mutt/1.4.1i X-Virus-Scanned: by amavisd-new X-Spam-Status: No, hits=0.0 required=8.0 tests=none autolearn=no version=2.63 X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on odin.ac.hmc.edu cc: current@freebsd.org Subject: Re: where did all my memory go? X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Feb 2005 20:16:35 -0000 --82I3+IH0IqGh5yIs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Feb 16, 2005 at 12:12:10PM -0800, Sean McNeil wrote: > With a system built yesterday on my amd64, I had plenty of memory > showing as free when the system completely started up. Even after > intense usage I showed lots of free memory in top. Over night at some > point all my memory is no longer free but inactive. Is there anything > wrong here or is this expected behavior? ps doesn't show any serious > usage by any particular process. Also, if disk caches or something were > taking up the memory, I would expect it to have shown a lot earlier. On a system that has been up for any significant time, free memory should be very small since free memory is wasted. My guess is that it is disk cache and that one of the nightly jobs accessed enough stuff to fill it. -- Brooks --=20 Any statement of the form "X is the one, true Y" is FALSE. PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4 --82I3+IH0IqGh5yIs Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.1 (GNU/Linux) iD8DBQFCE6pMXY6L6fI4GtQRAjzyAJ9X6wZDDndMRum85UJdIA/2SyN5zgCfVOyM SXFGcmsLdkC5+Bs42mHDsDw= =QwYy -----END PGP SIGNATURE----- --82I3+IH0IqGh5yIs--