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Oracle® Containers for J2EE Enterprise JavaBeans Developer's Guide
10g (

Part Number E13981-01
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Performance of an EJB 2.1 Entity Bean With Container-Managed Persistence

To improve performance of an EJB 2.1 entity bean with container-managed persistence, consider the following:

For more information, see "Improving EJB CMP 2.1 Performance" in the Oracle Application Server Performance Guide.

Bean Instance Pooling

For EJB 2.1 entity beans with container-managed persistence, using bean instance pooling can increase performance by reducing bean creation overhead. For more information, see "Managing the Bean Instance Pool".

Read-Only Entity Beans With Container-Managed Persistence

For EJB 2.1 entity beans with container-managed persistence that do not change after activation, you can specify a locking mode of read-only. For more information, see "Concurrency (Locking) Mode".