What is the difference between -Xss and -XX:ThreadStackSize?

Question

I just want to control the stack size for all of my threads in a Java (groovy) application. For the Hotspot Oracle VM, I know that there are two parameters doing that (-Xss and

Answer 1

-Xss is standard options recognized by the Java HotSpot VM.

-XX:ThreadStackSize as other -XX options are not stable and are subject to change without notice.

See Java HotSpot VM Options