SUNScholar/Optimisations/Java

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Java

Setup custom java environment parameters. See links below.

http://wiki.lib.sun.ac.za/index.php/SUNScholar/Prepare_Ubuntu/S05
http://wiki.lib.sun.ac.za/index.php/SUNScholar/Prepare_Ubuntu/S08

Perform Java profiling to find memory and CPU intensive code.

Latest Maven

• http://askubuntu.com/questions/420281/how-to-update-maven-3-0-4-3-1-1

Information

• http://en.wikipedia.org/wiki/Java_performance
• http://en.wikipedia.org/wiki/VisualVM
• http://en.wikipedia.org/wiki/Java_Development_Kit
• http://en.wikipedia.org/wiki/OpenJDK

Tips

• http://sysadmin-tricks.blogspot.com/2014/08/memory-leak-java-out-of-memory-alarm-on.html
• http://theholyjava.wordpress.com/2012/02/25/profiling-tomcat-webapp-with-visualvm-and-netbeans-pitfalls
• http://www.infoq.com/articles/java-profiling-with-open-source
• http://java.dzone.com/articles/pitfalls-experienced-when

Tools

• http://psi-probe.googlecode.com
• http://java-source.net/open-source/profilers
• http://docs.oracle.com/javase/6/docs/technotes/guides/visualvm/profiler.html
• http://www.yourkit.com

Screenshot of RAM usage on SUNScholar (2016/04/18)