public static void main(String[] args) throws IOException {
    checkArgs(args);
    String fileName = args[0];
    LOGGER.info("Splitting TsFile {} ...", fileName);
    new TsFileSplitTool(fileName).run();
  }
If the chunk point num is lower than this threshold, it will be deserialized into points,
default is 100
iotdb-core/datanode/src/main/java/org/apache/iotdb/db/tools/TsFileSplitTool.java