Changing CCM Server maximum heap size

The CCM server, a Java™ program, runs within a Java™ Virtual Machine (JVM™). Each JVM has a maximum set of memory (heap) that can be used to store program data. For a large, busy database, users might want to increase the server heap size.

About this task

Note: Before changing any other Java option in the key, contact IBM® Rational® Software Support for assistance.

Procedure

To change the server configuration:

  1. Stop the server.
  2. To change the maximum heap size of the CCM server, append the -Xmxsize option to the end of the java.option.additional setting.

    The size is the size of memory that can be used for heap. For example, -Xmx200M.

  3. Restart the server so that the changed values take effect.

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