For the original poster this page covers the memory usage quite well: http://www.linuxhowtos.org/System/Linux%20Memory%20Management.htm On Tue, Mar 8, 2011 at 7:05 AM, Justin Krejci <jus at krytosvirus.com> wrote: > Yep, you can see your swap usage is zero, additionally you can tweak your > vm.swappiness sysctl setting. I usually drop mine down to 10 to reduce its > preference of using swap on my laptop and servers when I know my RAM > capacity will be sufficient for normal operations. > > > Sent via BlackBerry from T-Mobile > > -----Original Message----- > From: Tony Yarusso <tonyyarusso at gmail.com> > Sender: tclug-list-bounces at mn-linux.org > Date: Mon, 7 Mar 2011 23:36:22 > To: TCLUG Mailing List<tclug-list at mn-linux.org> > Reply-To: TCLUG Mailing List <tclug-list at mn-linux.org> > Subject: Re: [tclug-list] Centos 5.5 WTF in Progress > > On Mon, Mar 7, 2011 at 10:41 PM, Mr. B-o-B <mr.chew.baka at gmail.com> wrote: > > [bob at bigdaddy init.d]$ free -m > > total used free shared buffers cached > > Mem: 3828 3804 24 0 83 3492 > > -/+ buffers/cache: 228 3600 > > Swap: 2000 0 2000 > > There's not actually anything terribly concerning here. Look at the > *second* line - you only have 228MB of RAM actually being used "for > real" - the rest is just cache. The Linux kernel is designed to make > use of all available memory for performance reasons, so it will keep > loading things as caches until it runs out of stuff to load or RAM to > fill. The second line tells you how much is in use disregarding those > caches. > > > Here is the output from ps aux. It looks like java is out of control. > Is > > this normal? > > Yes, Java has a reputation for being a resource hog. > > - Tony > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list > _______________________________________________ > TCLUG Mailing List - Minneapolis/St. Paul, Minnesota > tclug-list at mn-linux.org > http://mailman.mn-linux.org/mailman/listinfo/tclug-list > -- Ben Lutgens Linux / Unix System Administror Three of your friends throw up after eating chicken salad. Do you think: "I should find more robust friends" or "we should check that refrigerator"? -- Donald Becker, on vortex-bug, suspecting a network-wide problem -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://mailman.mn-linux.org/pipermail/tclug-list/attachments/20110308/732b8e30/attachment.html>