In node cluster docs there are few events that is called by cluster. Out of which 'online' and 'listening' is two events that I am confused about which is being called first.
there is a line written
The difference between 'fork' and 'online' is that fork is emitted when the master forks a worker, and 'online' is emitted when the worker is running.
So what is the exactly difference between running
and listening