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TIBCO BusinessEvents® Enterprise Edition 6.3.1

# JVM Settings in Properties Files

Check the engine properties file to ensure that all settings are appropriate for your platform.

## Set the Heap Size as Needed

By default, the initial (`–Xms`) and maximum (`–Xmx`) heap size are set to 1GB for TIBCO BusinessEvents. Change the settings as needed to meet your requirements. The settings are in the `BE_HOME``/bin/be-engine.tra` file.

You can also set the stack size for each thread using the `-Xss` option.

For example, if you want to run TIBCO BusinessEvents on a machine with 1GB memory, you might reduce the initial heap size setting (`–Xms`):

    java.extended.properties=-server –Xms512m -Xmx1024m -Xss2m

As another example, if you use a machine with more memory, and you work with very large decision tables, you might increase the heap size accordingly.

## Platform-Specific Settings

Some of the JVM settings do not work for all platforms, and some platforms use additional, platform-specific parameters. For example:

For 64 bit Sun JVM for Intel or AMD on Linux, use

    JVM_LIB_PATH=%TIB_JAVA_HOME%/lib/amd64/server/libjvm.so

For 64 bit Sun JVM for Intel or AMD on Windows, use:

    JVM_LIB_PATH=%TIB_JAVA_HOME%/lib/amd64/server/libjvm.dll

For AMD on Windows and 32 bit Sun JVM for Intel use:

    JVM_LIB_PATH=%TIB_JAVA_HOME%/lib/i386/server/libjvm.dll

Refer to the appropriate JVM reference manuals for the platform in question at https://www.ibm.com.

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TIBCO BusinessEvents® Enterprise Edition

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