This week's book giveaway is in the OCMJEA forum. We're giving away four copies of OCM Java EE 6 Enterprise Architect Exam Guide and have Paul Allen & Joseph Bambara on-line! See this thread for details.
I am doing some performance comparisons between different JPA implementations (Hibernate, OpenJPA and Eclipse). One of the features for the comparison is the space complexity of each JPA implementation. I need some tool with the help of which I can do this kind of testing. Please any help is appreciated.