@Override
  protected void reportProgress() {
    super.reportProgress();
    this.eliminateProgressIndex();
  }
Get ProgressIndex without waiting for tsfile close. Can be used in getting progressIndex when
memTable becomes immutable.
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/pipe/event/common/tsfile/PipeTsFileInsertionEvent.java