524 WebSphere Business Integrator Server Foundation V5.1 Handbook
Implementation level
Object pooling is already implemented within the J2EE application container
as an extension.
Performance monitoring and tracing
WebSphere’s Performance Monitoring Infrastructure (PMI) and tracing
infrastructure means you can monitor what is happening to the Object pool in
the runtime environment.
Variety
Two Object pool types are offered: synchronized and unsynchronized.
Definitions of these terms can be found in 20.5, “Runtime environment” on
page 535.
Flexibility
If WebSphere’s Object pool service is not suitable for your application, you
can create your own Object pool implementation.
In Java Theory and Practice: Garbage Collection and Performance (IBM ...