From owner-freebsd-questions@FreeBSD.ORG  Fri Sep 12 07:00:22 2003
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
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 B73F216A4BF
	for <freebsd-questions@freebsd.org>;
	Fri, 12 Sep 2003 07:00:22 -0700 (PDT)
Received: from main.gmane.org (main.gmane.org [80.91.224.249])
	by mx1.FreeBSD.org (Postfix) with ESMTP id CEAAC44001
	for <freebsd-questions@freebsd.org>;
	Fri, 12 Sep 2003 07:00:21 -0700 (PDT)
	(envelope-from freebsd-questions@m.gmane.org)
Received: from root by main.gmane.org with local (Exim 3.35 #1 (Debian))
	id 19xoT8-0001A9-00
	for <freebsd-questions@freebsd.org>; Fri, 12 Sep 2003 16:00:14 +0200
X-Injected-Via-Gmane: http://gmane.org/
To: freebsd-questions@freebsd.org
Received: from sea.gmane.org ([80.91.224.252])
	by main.gmane.org with esmtp (Exim 3.35 #1 (Debian))
	id 19xoQx-00018P-00	for <gmane-os-freebsd-questions@m.gmane.org>;
	Fri, 12 Sep 2003 15:57:59 +0200
Received: from news by sea.gmane.org with local (Exim 3.35 #1 (Debian))
	id 19xoR3-0008VV-00	for <gmane-os-freebsd-questions@m.gmane.org>;
	Fri, 12 Sep 2003 15:58:05 +0200
From: Jesse Guardiani <jesse@wingnet.net>
Date: Fri, 12 Sep 2003 09:58:05 -0400
Organization: WingNET
Lines: 36
Message-ID: <bjsjdd$vgh$2@sea.gmane.org>
References: <bjqs64$6i9$1@sea.gmane.org>
	<20030911231742.GA61528@dan.emsphone.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7Bit
X-Complaints-To: usenet@sea.gmane.org
User-Agent: KNode/0.7.2
X-Mail-Copies-To: never
Sender: news <news@sea.gmane.org>
Subject: Re: `top` process memory usage: SIZE vs RES
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
Reply-To: jesse@wingnet.net
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>,
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 12 Sep 2003 14:00:22 -0000

Dan Nelson wrote:

> In the last episode (Sep 11), Jesse Guardiani said:
>> 1.) Where is my Free memory going? I can't account for it
>>     in the SIZE and RES columns of the various processes.
>>     These are relatively constant.
> 
> Disk cache.

I thought it might be something like that. My large test
messages are being written to disk over and over and over
as the message travels down the pipline. Makes a great case
for installing a RAM disk. :)

>  
>> 2.) What, exactly, is RES? `man top` describes it as this:
>>     "RES is the current amount of resident memory", but does
>>     that mean RES is included in SIZE? Or does that mean that
>>     RES should be counted in addition to SIZE?
> 
> RES the amount of SIZE that it currently in core

OK. To clarify, you mean core kernel memory here?
If so, how is that significant? Why should I care?

In other words, why would I ever want to know that?

Thanks.

-- 
Jesse Guardiani, Systems Administrator
WingNET Internet Services,
P.O. Box 2605 // Cleveland, TN 37320-2605
423-559-LINK (v)  423-559-5145 (f)
http://www.wingnet.net