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https://issues.apache.org/jira/browse/HDFS-16781?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17609358#comment-17609358
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Xiaoqiao He commented on HDFS-16781:
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Great, welcome and look forwards to more discussion and contribution.
> 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
> Priority: Minor
>
> 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，这个问题是否已经在某个新版本里解决了？请指点！谢谢。
> 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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