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https://issues.apache.org/jira/browse/HADOOP-7438?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13059330#comment-13059330
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Eric Yang commented on HADOOP-7438:
-----------------------------------

HADOOP_HDFS_HOME is for developer only to work on common/hdfs/mapreduce code in 
3 separated source tree.  HADOOP_HDFS_HOME should not be defined for production 
environment, hence reference to HADOOP_HDFS_HOME/bin/hdfs, should be 
HADOOP_PREFIX/bin/hdfs to be concise.

> Using the hadoop-deamon.sh script to start nodes leads to a depricated 
> warning 
> -------------------------------------------------------------------------------
>
>                 Key: HADOOP-7438
>                 URL: https://issues.apache.org/jira/browse/HADOOP-7438
>             Project: Hadoop Common
>          Issue Type: Improvement
>    Affects Versions: 0.22.0
>            Reporter: Ravi Prakash
>            Assignee: Ravi Prakash
>         Attachments: HADOOP-7438.1.patch
>
>
> hadoop-daemon.sh calls common/bin/hadoop for hdfs/bin/hdfs tasks and so 
> common/bin/hadoop complains its deprecated for those uses.

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