code: def start_ray_processes(self):
          
          logger.info(
              "Process STDOUT and STDERR is being redirected to {}.".format(
                  self._logs_dir))
  
          self.start_plasma_store()
          self.start_raylet()
          if PY3:
              self.start_reporter()
  
          if self._ray_params.include_log_monitor:
              self.start_log_monitor()
docs: Start all of the processes on the node.