Sun Java System Communications Services 6 2005Q4 Delegated Administrator Guide

ProcedureTo increase the Application Server JVM heap size

  1. Log in to the Application Server Administration Server.

  2. Navigate to the JVM options.

  3. Edit the -Xmx256m option.

    This option sets the JVM heap size.

  4. Set the -Xmx256m option to a higher value, such as Xmx1024m.

  5. Save the new setting.

Application Server Documentation

For more information about using the Application Server Administration Server and setting JVM options, go to the Sun Java System Application Server Documentation Center and select “JVM Advanced Settings.” Alternatively, see “Tuning the Java Runtime System” in the Sun Java System Application Server Enterprise Edition 8.1 2005Q4 Performance Tuning Guide