code: def start_log_monitor(self):
          
          stdout_file, stderr_file = self.new_log_files("log_monitor")
          process_info = ray.services.start_log_monitor(
              self.redis_address,
              self._logs_dir,
              stdout_file=stdout_file,
              stderr_file=stderr_file,
              redis_password=self._ray_params.redis_password)
          assert ray_constants.PROCESS_TYPE_LOG_MONITOR not in self.all_processes
          self.all_processes[ray_constants.PROCESS_TYPE_LOG_MONITOR] = [
              process_info
          ]
docs: Start the log monitor.