refer：https://blog.51cto.com/u_16213694/7535106
refer：https://wenku.baidu.com/view/69b4d66c6194dd88d0d233d4b14e852458fb39bf.html?_wkts_=1709113752068&bdQuery=hdfs%E6%8C%87%E5%AE%9A%E5%89%AF%E6%9C%AC%E5%9C%A8%E5%93%AA%E4%B8%AA%E6%9C%BA%E5%99%A8%E4%B8%8A