def METHOD_NAME(self) -> "TailLog":
    if not self._threadpool:
        return self
    for local_rank, file in self._log_files.items():
        self._futs.append(
            self._threadpool.submit(
                tail_logfile,
                header=f"[{self._name}{local_rank}]:",
                file=file,
                dst=self._dst,
                finished=self._finished_events[local_rank],
                interval_sec=self._interval_sec,
            )
        )
    return self