If you have a 64-bit hardware and want to take advantage of this for the QPS (java) processes, use the following steps to update to the 64-bit JDK:

  1. Download the 64-bit JDK 5.0 Update 16 from http://java.sun.com/javase/downloads/index_jdk5.jsp
  2. Add the following VM parameter in the ServerStartup.bat file.
    -XX:MaxPermSize=128m
  3. Update the java path in the ServerStartup.bat file.