JBUG 1 - JBoss Tuning
The JBoss Tuning session is a quick tuning run-through, presenting some of the major performance issues in JBoss Server, including: JVM tuning, embedded Tomcat configuration, Datasource tweaks, logging and more. All these should give you a good starting point in investigating the possible performance optimizations for your application.
Acrobat slides are attached to this post.