Run Script Mode This is used to run script mode for Legacy and User Context. There are two modes:
a) In the case of User Context, specify the stack size and select the check box to free the cache after the session completes.
b) Thread Per User is a collection of Virtual users where each VUser is considered as a thread. It is used for ramping up/ramping down users as specified in test when script is run in thread mode. User need to configure settings for Thread pool in Additional Settings -> Advanced -> Virtual User Thread Pool.
Runtime Changeable No