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From "Ruyue Ma (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-4764) add replication factor for hdfs directory
Date Wed, 03 Dec 2008 17:39:44 GMT
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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