12.5. Settings based on EJB usage

Now that you understand what choices you can make for the EJB deployment settings we are going to do testing to determine which choices work the best for various EJB usage patterns. The patterns include:

  • Read only - multiple clients get data from an entity bean but do not update that bean. The rows in the database associated with the bean have populated before running the application.

  • Read mostly - multiple clients get data from an entity and occasionally update that bean.

  • Update often - multiple clients often update an entity bean.

In order to test these patterns we developed a Java client for the big3 application where the percentage of read-only operations is an input parameter of the application. We then executed ...

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