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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2551) hadoop-env.sh needs finer granularity
Date Tue, 08 Jan 2008 19:28:34 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12556986#action_12556986
] 

Doug Cutting commented on HADOOP-2551:
--------------------------------------

I don't think we need HADOOP_GLOBAL_OPTS, we can just use HADOOP_OPTS for that, but we could
add a HADOOP_NAMENODE_OPTS that, when starting the namenode, is appended to HADOOP_OPTS, etc.
 In general, we could modify bin/hadoop to add the value of HADOOP_{$COMMAND}_OPTS to HADOOP_OPTS.
 Would that suffice?

> hadoop-env.sh needs finer granularity
> -------------------------------------
>
>                 Key: HADOOP-2551
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2551
>             Project: Hadoop
>          Issue Type: Improvement
>            Reporter: Allen Wittenauer
>            Priority: Minor
>
> 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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