Tuning J2EE Applications

JavaWorld have a good article on their site this week covering the basics of tuning a J2EE application. They only scratch the surface (in 3 pages) but give some pointers of where to start looking.

They briefly describe server tuning, environment tuning, and database tuning.

EJB3.0 vs JDO2.0 discussion

Following last weeks announcement of some of the details of the upcoming EJB3.0 spec, there is a heated discussion about the benefits and disadvantages of both approaches (with comments from Gavin King on Hibernate thrown into the mix), on TheServerSide.com.