This page provides a starting point for finding information about tuning the Enterprise JavaBeans 2.1 container.
If you use applications that affect the size of the Enterprise JavaBeans (EJB) container cache, it is possible that the performance of your applications can be affected by an incorrect size setting. Container managed persistence (CMP) is discussed in this topic; although it is important to know that entity beans are not supported in an EJB 3.x module.