You can configure additional Java VM options by adding them to the Java Startup Options server property in the Management Console (or the javaStartupOptions server property if using Ant configuration). This property specifies other JVM startup options as they are passed on the Java command line.
Alternatively, add Java startup options to the value of the DJC_USER_JVM_ARGS environment variable. Set this environment variable in the bin\local-setenv.bat file (for Windows platforms) or bin/local-setenv.sh script (for UNIX platforms).
To verify the Java VM options, check the server log file. The server logs all the options at start-up, including those that are configured internally and by the heap size settings discussed above.
