zdl created HDFS-16781:
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Summary: setReplication方法不能设置整个目录的副本吗？whole folder?
Key: HDFS-16781
URL: https://issues.apache.org/jira/browse/HDFS-16781
Project: Hadoop HDFS
Issue Type: Improvement
Components: dfs
Affects Versions: 2.6.0
Environment: org.apache.hadoop.fs.FileSystem
Reporter: zdl
org.apache.hadoop.fs.FileSystem里有个setReplication方法可以设置目标文件的副本数，但是只能指定到文件，如果指定目录，就不生效。
我希望指定目录时，整个目录下所有文件和子目录下的文件都能设置副本，实际上在命令行中用hadoop fs -setrep /dirs
方法是可以实现这个目标的，为什么在这个java api里面反倒不行？
或者是说在这个问题在新版本里解决了呢？
I want to set replications for whole folder's files by
org.apache.hadoop.fs.FileSystem setReplication function, while now in v2.6.0 it
can only set to a file.
Is there any solutions or a later version can solve it ?
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