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https://issues.apache.org/jira/browse/HADOOP-4764?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12652869#action_12652869
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Ruyue Ma commented on HADOOP-4764:
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I have completed the patch, I will submit it as soon as possible
> add replication factor for hdfs directory
> -----------------------------------------
>
> Key: HADOOP-4764
> URL: https://issues.apache.org/jira/browse/HADOOP-4764
> Project: Hadoop Core
> Issue Type: New Feature
> Components: dfs
> Reporter: Ruyue Ma
>
> If we can set replication factor for directory. we can modify the
> DFSClent.create() method, pass 0 for the default block replication. Namenode
> check create request, if blockreplication is 0, it will give its parent dir
> replication factor to the file blockreplication factor. This will simplify
> the administration work. You know we can set /Test or /Tmp dir's replication
> factor 2 or 1, then all their children files and dirs replication factor is 2
> or 1 defaultly.
>
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