摘要：
https://hadoop.apache.org/docs/r2.7.2/hadoop-project-dist/hadoop-hdfs/HdfsDesign.html Introduction 【相对于POSIX，放宽要求】 The Hadoop Distributed File System 阅读全文
摘要：
for i in range(3, -2, -1): try: print(4 / i) except Exception as e: print(Exception) print(e) 阅读全文