hadoop版本0.x，1.x和2.x有什么区别？有人可以告诉我cdh 3和4有何不同。
最佳答案
Cloudera在每个版本中提供了广泛的新功能和变更列表:
http://www.cloudera.com/content/cloudera/en/documentation/cdh4/latest/CDH4-Release-Notes/CDH4-Release-Notes.html
http://www.cloudera.com/content/cloudera/en/documentation/cdh4/latest/CDH4-Release-Notes/cdh4rn_topic_2.html
您还可以查看Vanilla Apache Hadoop版本中的各个更改列表:
http://archive.cloudera.com/cdh4/cdh/4/hadoop-2.0.0-cdh4.7.0.CHANGES.txt