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https://issues.apache.org/jira/browse/HADOOP-10140?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Chris Nauroth resolved HADOOP-10140.
------------------------------------
       Resolution: Fixed
    Fix Version/s: 2.7.0
     Hadoop Flags: Reviewed

+1 for the patch.  I committed this to trunk and branch-2.

I did a test run of starting the daemons and running a few commands through all 
4 main script entry points: hadoop, hdfs, mapred and yarn.  Everything worked 
as expected.

Kiran, thank you for contributing the fix.

> Specification of HADOOP_CONF_DIR via the environment in hadoop_config.cmd
> -------------------------------------------------------------------------
>
>                 Key: HADOOP-10140
>                 URL: https://issues.apache.org/jira/browse/HADOOP-10140
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: scripts
>    Affects Versions: 2.2.0
>         Environment: This Windows when using the "Command" processing as 
> opposed to using Bash from Cygwin.
>            Reporter: Ian Jackson
>            Assignee: Kiran Kumar M R
>            Priority: Minor
>             Fix For: 2.7.0
>
>         Attachments: HADOOP-11508.patch
>
>
> It would be nice if HADOOP_CONF_DIR could be set in the environment like 
> YARN_CONF_DIR. This could be done in lib-exec/hadoop.cmd by setting 
> HADOOP_CONF_DIR conditionally.
> Using the Windows command shell, the modification would be as follows:
> if not defined HADOOP_CONF_DIR (
> set HADOOP_CONF_DIR=%HADOOP_HOME%\etc\hadoop
> )
> This would allow the Hadoop configuration to be placed in ProgramData more 
> easily. 



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