15.15.4. Configuring Tomcat Parameters

The parameters for the Tomcat hosting system used to support MySQL Enterprise Service Manager and MySQL Enterprise Dashboard can have an affect on the performance of the system.

The default settings for Java for Tomcat are as follows:

Initial heap size-Xms768MB
Maximum heap size-Xmx768MB
Java stack size-Xss128MB

You can change these parameters to higher values,by editing the JAVA_OPTS setting within the corresponding platform script.

  • On Unix/Linux and Mac OS X

    Edit the values within apache-tomcat/bin/setenv.sh file within your MySQL Enterprise Service Manager directory. You should avoid setting maximum figures higher than the physical memory of your system as this may reduce, rather than increase the performace.

    If you change these parameters, shut down and restart MySQL Enterprise Service Manager for the changes to take effect.

  • Windows

    Edit the JAVA_OPTS settings within the apache-tomcat/bin/setenv.bat file.

    To enable the changes, you must re-install your service. To do this, shutdown your MySQL Enterprise Service Manager service and then reinstall the service by running:

    shell> mysqlmonitorctl.bat uninstall
    shell> mysqlmonitorctl.bat install
    

On all platforms, changes to the JAVA_OPTS using the above methods should be retained over an upgrade of the MySQL Enterprise Service Manager service.

If you change these parameters, restart MySQL Enterprise Service Manager for the changes to take effect.

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