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EJB3 performance  RSS feed

 
Bjorn Stove
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Hi!
Do you have anything on performance gain, using EJB3 instead
of EJB2.x in your book?

Regards
/Bjorn
 
Debu Panda
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Yes, certainly for entities being POJOs. However the main goal for EJB 3 was simplifying life of developers!

We have dedicated a complete chapter (13) that discusses very aspects of performance and scalability questions that most EJB books avoid!
 
Jon Wetherbee
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(Posted by Jon and Raghu, who had the pleasure of being guest authors a few months ago, for the release of our book 'Beginning EJB 3 Application Development: From Novice to Professional' [Apress, 2006])

Congratulations to Debu, Reza, and Derek on their contribution to the body of literature on EJB 3! As we can attest, writing a book on this significant and deep topic is no mean feat!

We thought it was worth mentioning that we have done extensive work in testing EJB 3 performance since its inception in the JCP. You can check out a detailed article that we published in JDJ that compares the performance of commonly used designed patterns in EJB 2.x and EJB 3.0, "The Performance of EJB 3.0 - Does Simplicity and Power Come at a Price?"

http://java.sys-con.com/read/131767.htm

In our book "Beginning EJB 3...", we have once again compared a specific use of inheritance hierarchies in JPA, and the article detailing the comparision is published in JDJ "Inheritance Hierarchies in JPA -- Understanding and comparing inheritance hierarchies in Java Persistence API."

http://java.sys-con.com/read/286901.htm

Our book goes into the performance methodology that can be used for real-world applications and details the steps on how to set up performance tests and how to compare the tests using the open source tool kit Grinder.

While the above may sound like shameless plug for our book, we thought you would find it relevant...

Thanks and best regards,
Jon & Raghu
 
It is sorta covered in the JavaRanch Style Guide.
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