8.3.  Tune parameters, for example JVM settings, connection pools, thread pools, that affect WebSphere Application Server performance.


Garbage collection

Garbage collection has the following phases:

The different garbage collection policies are compared by:

The sections that follow list the garbage collection policies and provide a means to compare the policies. However, to determine the optimum policy for your system, conduct load tests using different policy options. You can set these policies as a JVM argument using -Xgcpolicy:policy_name as follows:


Professional hosting         Free 'Oracle Certified Expert Web Services Developer 6' Guide     Free SCDJWS 5.0 Guide