Difference between revisions of "SUNScholar/Optimisations/Java"
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==Java== | ==Java== | ||
| − | Setup custom java environment parameters. See | + | 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 | http://wiki.lib.sun.ac.za/index.php/SUNScholar/Prepare_Ubuntu/S08 | ||
Perform Java profiling to find memory and CPU intensive code. | 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=== | ===Information=== | ||
*http://en.wikipedia.org/wiki/Java_performance | *http://en.wikipedia.org/wiki/Java_performance | ||
| Line 13: | Line 18: | ||
*http://en.wikipedia.org/wiki/OpenJDK | *http://en.wikipedia.org/wiki/OpenJDK | ||
===Tips=== | ===Tips=== | ||
| + | *https://dzone.com/refcardz/java-performance-optimization | ||
| + | *http://java.dzone.com/articles/pitfalls-experienced-when | ||
*http://sysadmin-tricks.blogspot.com/2014/08/memory-leak-java-out-of-memory-alarm-on.html | *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://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://www.infoq.com/articles/java-profiling-with-open-source | ||
| − | + | ||
===Tools=== | ===Tools=== | ||
| + | *http://psi-probe.googlecode.com and https://github.com/psi-probe/psi-probe/wiki/InstallationApacheTomcat | ||
*http://java-source.net/open-source/profilers | *http://java-source.net/open-source/profilers | ||
*http://docs.oracle.com/javase/6/docs/technotes/guides/visualvm/profiler.html | *http://docs.oracle.com/javase/6/docs/technotes/guides/visualvm/profiler.html | ||
*http://www.yourkit.com | *http://www.yourkit.com | ||
| + | |||
| + | ===Screenshot of RAM usage on SUNScholar (2016/04/18)=== | ||
| + | [[File:Ram-memory-usage.png|800px]] | ||
| + | [[Category:System Administration]] | ||
| + | [[Category:Optimisations]] | ||
Latest revision as of 18:50, 15 December 2016
Back to Optimisations
Contents
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
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
- https://dzone.com/refcardz/java-performance-optimization
- http://java.dzone.com/articles/pitfalls-experienced-when
- 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
Tools
- http://psi-probe.googlecode.com and https://github.com/psi-probe/psi-probe/wiki/InstallationApacheTomcat
- 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)
