How do I provide JVM arguments to VisualVM?

Should be able to modify the memory settings in %JDK_HOME%\lib\visualvm\etc\visualvm.conf

Xms and Xmx are in the default_options line.

http://stackoverflow.com/questions/9570921/how-do-i-provide-jvm-arguments-to-visualvm

How to set a JVM Timezone Properly

You can pass the JVM this param -Duser.timezone, for example -Duser.timezone="Europe/Sofia" and this should do the trick. Setting the environment variable TZ might also help.

http://stackoverflow.com/questions/2493749/how-to-set-a-jvm-timezone-properly