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Java EE 6 Cookbook for Securing, Tuning, and Extending Enterprise Applications by Mick Knutson

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Profiling and testing JPA Operations

Rather than profiling when you have integrated your application, or worse, being forced to profile an application running in production due to various performance issues, it is best to start profiling your application during development. This has several different positive effects on your application, and your overall knowledge of running your application.

By profiling during development, you will first start getting familiar with the call hierarchy of your code. This is especially helpful in Java EE applications and other technologies such as AspectJ where services or aspects might be calling your application unbeknown to you. The more you know about who and how your code is interacting with, the more prepared ...

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