Hi Hank, If in a web browser you go to: serverurl:8080/system/console/vmstat (this is just the system information tab for the serverurl:8080/system/console) there is the total amount of memory available and the used memory statistics.
I am not sure if you can see how much each bundle takes but someone else might have that answer (last time I had memory leak issues I used YourKit to profile it. If you have access to the tool the instructions to connect YourKit is here: http://opencast.jira.com/wiki/display/MH/How+to+Profile+Matterhorn+with+YourKit ). If you want to increase the amount of RAM that Matterhorn has access to it is in your init.d script (in /etc/init.d/Matterhorn) or the start Matterhorn shell script (/opt/matterhorn/felix/bin/start_matterhorn.sh) whichever you use to start Matterhorn. It is variable called JAVA_OPTS and the default looks like this: JAVA_OPTS="-Xms1024m -Xmx1024m -XX:MaxPermSize=256m" Which version of Matterhorn are you running and could you send the stack trace of it running out of memory / create a new ticket and we might be able to figure it out. Thanks, Adam Adam McKenzie ITS, University of Saskatchewan Rm 61 Physics, 116 Science Place Saskatoon SK S7N 5E2 Canada (306) 966-2453 From: [email protected] [mailto:[email protected]] On Behalf Of Hank Magnuski Sent: Tuesday, November 22, 2011 9:21 AM To: Matterhorn Users Subject: [Matterhorn-users] Diagnosing memory problems I'm seeing "Out of memory" errors. Can someone give me a clue as to how to debug this? Are there OSGI commands to look at how much memory is being used? Some way to look at bundles? Inspect Java machines? Pointers please. Thanks, Hank
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