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https://issues.apache.org/jira/browse/HADOOP-2551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12565374#action_12565374
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Hemanth Yamijala commented on HADOOP-2551:
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I prefer the first approach of using different variables. This would be easier
to provision through HOD as well. Are there any specific advantages of using
the second approach ? (I can see some, but still... *smile*)
> hadoop-env.sh needs finer granularity
> -------------------------------------
>
> Key: HADOOP-2551
> URL: https://issues.apache.org/jira/browse/HADOOP-2551
> Project: Hadoop Core
> Issue Type: Improvement
> Reporter: Allen Wittenauer
> Priority: Minor
> Fix For: 0.17.0
>
>
> We often configure our HADOOP_OPTS on the name node to have JMX running so
> that we can do JVM monitoring. But doing so means that we need to edit this
> file if we want to run other hadoop commands, such as fsck. It would be
> useful if hadoop-env.sh was refactored a bit so that there were different
> and/or cascading HADOOP_OPTS dependent upon which process/task was being
> performed.
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