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https://issues.apache.org/jira/browse/HADOOP-2838?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12597525#action_12597525
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Arun C Murthy commented on HADOOP-2838:
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I propose we generalise this feature and let users set _any_ environment
variable for their tasks... maybe we should add a mapred.child.env
configuration variable which takes in a comma-separated list of environment
variables:
{noformat}
<property>
<name>mapred.child.env</name>
<value>LD_LIBRARY_PATH=/foo,PATH=/blah</value>
</property>
Of course we should ensure that each of the env-vars in that list is appended
to the env inherited from the parent TT.
Thoughts?
> Add HADOOP_LIBRARY_PATH config setting so Hadoop will include external
> directories for jni
> ------------------------------------------------------------------------------------------
>
> Key: HADOOP-2838
> URL: https://issues.apache.org/jira/browse/HADOOP-2838
> Project: Hadoop Core
> Issue Type: Improvement
> Components: scripts
> Affects Versions: 0.16.0
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
>
> Currently there is no way to configure Hadoop to use external JNI
> directories. I propose we add a new variable like HADOOP_CLASS_PATH that is
> added to the JAVA_LIBRARY_PATH before the process is run.
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