“… an important part of the J2EE specification, EJB persistence, has long been criticized for its complex development model and for poor performance of entity beans. It’s pretty much accepted as fact that if entity beans (especially container-managed persistence entity beans, or CMPs) are going to be used in an application, performance will suffer. This is not true.”

[The article] “focus[es] only on concurrency and long-term caching strategies for CMP entity beans” and “briefly cover[s] improvements available in the most recent version, BEA WebLogic Server 9.0.”

dev2dev: Peak performance tuning of CMP 2.0 Entity beans in WebLogic Server 8.1 and 9.0