[Building Sakai] sakai configuration / swap space
D. Stuart Freeman
stuart.freeman at et.gatech.edu
Mon Jun 7 13:13:42 PDT 2010
With that much memory and swap it's unlikly that you're filling the swap
partition. You're probably hitting the ulimit bounds, check your
/etc/security/limits.conf
On Mon, Jun 07, 2010 at 03:04:52PM -0400, Jon Wheat wrote:
> This continues to be a thorn in my side. I'm not sure what I've done to cause this, but my box keeps crashing with an "Out of Swap space?" message. I have to reboot it to get it started again. Its gone down 5 times this weekend. I rebooted it again this morning at 5:45 (planned) to possibly get it through the day, but alas it crashed a little bit ago.
>
> It is a VMWare box, with 4GB RAM and 72GB HD. There is a 4GB swap partition.
>
> I have this in /tomcat/bin/setenv.sh
>
> JAVA_OPTS="-server -XX:+UseParallelGC -Xms1024m -Xmx2048m -XX:PermSize=256m -XX:MaxPermSize=256m -Djava.awt.headless=true -Dorg.apache.jasper.compiler.Parser.STRICT_QUOTE_ESCAPING=false"
>
> export JAVA_OPTS
>
> I just now added the -Xms1024m (which was missing before) and upon suggestion from a JAVA guy, changed the MaxPermSize from 512 to 256 to match the PermSize, so we'll see if those changes help.
>
> I think over the weekend, I've tried a bunch of different things with this file, so I've tried many different settings. I actually do not think the VMWare box is configured for multiple processors, so I think maybe that UseParallelGC should go?
>
> any advice would be greatly appreciated, I feel like this is a dark art - and I'm far from being a warlock.
>
> -Jon
>
>
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
> ..:: I've learned that 'impossible' is a perception based on your skills.
> Jonathan Wheat / Developer
> Luminis Developers Network
> Messiah College, ITS
> 717.766.2511 x3385
> LDN - Luminis Developer Network - http://www.lumdev.net
> ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
>
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--
D. Stuart Freeman
Georgia Institute of Technology
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