Save the position into file after every second
        :return:

def _save_log_pos_thread_runner(self):
        """ Save the position into file after every second
        :return:
        """
        _logger.debug('Start log pos saving thread')
        while not self.save_log_pos_thread_stop_flag.wait(self.interval):
            self._save_file_and_pos()
        _logger.debug('Finish log pos saving thread')