code: def start_raylet_monitor(redis_address,
                           stdout_file=None,
                           stderr_file=None,
                           redis_password=None,
                           config=None):
      
      gcs_ip_address, gcs_port = redis_address.split(":")
      redis_password = redis_password or ""
      config = config or {}
      config_str = ",".join(["{},{}".format(*kv) for kv in config.items()])
      command = [
          RAYLET_MONITOR_EXECUTABLE,
          "--redis_address={}".format(gcs_ip_address),
          "--redis_port={}".format(gcs_port),
          "--config_list={}".format(config_str),
      ]
      if redis_password:
          command += [redis_password]
      process_info = start_ray_process(
          command,
          ray_constants.PROCESS_TYPE_RAYLET_MONITOR,
          stdout_file=stdout_file,
          stderr_file=stderr_file)
      return process_info
docs: Run a process to monitor the other processes.
  
      Args:
          redis_address (str): The address that the Redis server is listening on.
          stdout_file: A file handle opened for writing to redirect stdout to. If
              no redirection should happen, then this should be None.
          stderr_file: A file handle opened for writing to redirect stderr to. If
              no redirection should happen, then this should be None.
          redis_password (str): The password of the redis server.
          config (dict|None): Optional configuration that will
              override defaults in RayConfig.
  
      Returns:
          ProcessInfo for the process that was started.