From owner-freebsd-questions@FreeBSD.ORG Wed Sep 2 00:00:22 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 84D811065670 for ; Wed, 2 Sep 2009 00:00:22 +0000 (UTC) (envelope-from peo@intersonic.se) Received: from neonpark.inter-sonic.com (neonpark.inter-sonic.com [212.247.8.98]) by mx1.freebsd.org (Postfix) with ESMTP id 147688FC14 for ; Wed, 2 Sep 2009 00:00:21 +0000 (UTC) X-Virus-Scanned: amavisd-new at BSDLabs AB Message-ID: <4A9DB590.6080605@intersonic.se> Date: Wed, 02 Sep 2009 02:00:16 +0200 From: Per olof Ljungmark Organization: Intersonic AB User-Agent: Thunderbird 2.0.0.22 (X11/20090727) MIME-Version: 1.0 To: Dan Nelson References: <4A9D8057.8020307@intersonic.se> <20090901162931.d85ec256.wmoran@potentialtech.com> <20090901204147.GC2855@dan.emsphone.com> In-Reply-To: <20090901204147.GC2855@dan.emsphone.com> X-Enigmail-Version: 0.95.6 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: memory usage displsy X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 02 Sep 2009 00:00:22 -0000 Dan Nelson wrote: > In the last episode (Sep 01), Bill Moran said: >> In response to Per olof Ljungmark : >>> What is a good way to find out how memory is used? Have a 6.4 box where >>> memory is used by something but I fail to see what is using it - tried >>> different switches to ps(1), tried the stat tools but a big chunk of >>> memory does not show at all. >>> >>> A proper tool for analyzing memory usage "live", this is a production >>> box? >> I've always been able to get what I need from top. You can do -o res to >> sort by resident memory usage, which helps. > > ps will sort by memory usage when given the -m flag. Also check ipcs -a to > see if there are any sysv shared memory segments hanging arnound. If you > don't see anything using the memory, where are you seeing that "something" > is using it? > ...and here is top output after I stopped Postfix, slapd and Cyrus-IMAP. Still over 3G Active. last pid: 10278; load averages: 0.03, 0.02, 0.00 up 93+02:50:16 01:57:35 45 processes: 1 running, 44 sleeping CPU: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 100% idle Mem: 3057M Active, 312M Inact, 228M Wired, 144M Cache, 112M Buf, 81M Free Swap: 4096M Total, 80K Used, 4096M Free PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU COMMAND 647 root 4 20 0 3372K 1508K kserel 110:35 0.00% apcupsd 831 root 3 20 0 5008K 1920K kserel 58:48 0.00% bacula-fd 480 root 1 96 0 1416K 932K select 25:23 0.00% syslogd 596 bind 1 4 0 6400K 5160K kqread 23:05 0.00% named 709 root 1 96 0 2780K 1484K select 4:26 0.00% ntpd 661 root 1 4 0 3372K 1972K accept 0:53 0.00% saslauthd 660 root 1 20 0 3372K 1972K lockf 0:53 0.00% saslauthd 662 root 1 20 0 3372K 1972K lockf 0:53 0.00% saslauthd 659 root 1 20 0 3372K 1972K lockf 0:53 0.00% saslauthd 657 root 1 20 0 3372K 1972K lockf 0:52 0.00% saslauthd 913 root 1 8 0 1412K 900K nanslp 0:22 0.00% cron 91648 peo 1 96 0 11372K 7572K select 0:04 0.00% sshd 3419 nagios 1 96 0 1380K 960K select 0:01 0.00% nrpe2 91656 root 1 20 0 3880K 1952K pause 0:00 0.00% csh 10243 root 1 96 0 2516K 1604K RUN 0:00 0.00% top 95511 root 1 5 0 4120K 2156K ttyin 0:00 0.00% csh 95504 peo 1 96 0 6296K 2544K select 0:00 0.00% sshd 95502 root 1 4 0 6300K 2540K sbwait 0:00 0.00% sshd 91646 root 1 4 0 6300K 2476K sbwait 0:00 0.00% sshd 10223 root 1 4 0 6300K 2660K sbwait 0:00 0.00% sshd 10232 root 1 5 0 3880K 2044K ttyin 0:00 0.00% csh 91650 peo 1 20 0 3836K 1848K pause 0:00 0.00% csh 95506 peo 1 20 0 3940K 1916K pause 0:00 0.00% csh 10227 peo 1 20 0 3836K 1976K pause 0:00 0.00% csh 906 root 1 96 0 3552K 2016K select 0:00 0.00% sshd 10225 peo 1 96 0 6296K 2664K select 0:00 0.00% sshd 429 root 1 96 0 528K 284K select 0:00 0.00% devd 91654 peo 1 8 0 1804K 1112K wait 0:00 0.00% su 95510 peo 1 8 0 1804K 1168K wait 0:00 0.00% su 10231 peo 1 8 0 1804K 1244K wait 0:00 0.00% su 961 root 1 5 0 1352K 784K ttyin 0:00 0.00% getty 962 root 1 5 0 1352K 784K ttyin 0:00 0.00% getty 968 root 1 5 0 1352K 784K ttyin 0:00 0.00% getty 964 root 1 5 0 1352K 784K ttyin 0:00 0.00% getty 966 root 1 5 0 1352K 784K ttyin 0:00 0.00% getty 963 root 1 5 0 1352K 784K ttyin 0:00 0.00% getty 965 root 1 5 0 1352K 784K ttyin 0:00 0.00% getty 967 root 1 5 0 1352K 784K ttyin 0:00 0.00% getty 943 root 1 111 0 1444K 840K select 0:00 0.00% inetd 138 root 1 20 0 1260K 636K pause 0:00 0.00% adjkerntz