Thanks this was useful, i just wanted to add one more point. Since i was new to nifii, ever after creating the controller, i was not sure why the processor could not be started. Then i figured out that controller needs to be enabled, so that the processor shows the "Start" option. , This may be non trivial, but thought would help someone since I was struggling with the processor not being active even after creating the controller. You need to enable the controller service after creating them, so that you can start the processor. ... View more