Yi Liu created HADOOP-11452:
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Summary: Revisit org.apache.hadoop.fs.FileSystem#rename
Key: HADOOP-11452
URL: https://issues.apache.org/jira/browse/HADOOP-11452
Project: Hadoop Common
Issue Type: Task
Components: fs
Reporter: Yi Liu
Assignee: Yi Liu
Currently in {{FileSystem}}, {{rename}} with _Rename options_ is protected and
with _deprecated_ annotation. And the default implementation is not atomic.
So this method is not able to be used outside. On the other hand, HDFS has a
good and atomic implementation. (Also an interesting thing in {{DFSClient}},
the _deprecated_ annotations for these two methods are opposite).
It makes sense to make public for {{rename}} with _Rename options_, since it's
atomic for rename+overwrite, also it saves RPC calls if user desires
rename+overwrite.
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