Tuning WebSphere Application Server on Linux on System z

To better utilize, virtualize and optimize your WAS zLinux environment to serve more applications and users please go through the following white papers and best practice documents to squeeze the last bit of performance from WAS on zLinux

1. Idle WebSphere Tuning Considerations
This was a study done specifically on zLinux to help with swapping of JVMs when they are idle
http://ibm.co/jUcb9M

2. Match 31-bit WebSphere Application Server performance with  new features in 64-bit Java on System z
Solve 31-bit virtual memory crowding issues without sacrificing performance by using heap compression and large pages
https://www-304.ibm.com/partnerworld/wps/servlet/ContentHandler/whitepaper/systemz/java_websphere/performance

3. Linux on System z, an end-to-end view: from Sizing to Performance Analysis to Capacity Planning
http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP100908

4. Architecting z/VM and Linux for WebSphere V7 on System z
http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP101803

5. Sharing a WebSphere Application Server V8 installation among many Linux for IBM System z servers
http://www-03.ibm.com/support/techdocs/atsmastr.nsf/WebIndex/WP102145

* Thanks to Mike Everett and David Hare, WAS performance experts for providing these links