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From "Arun C Murthy (JIRA)" <j...@apache.org>
Subject [jira] Created: (MAPREDUCE-1207) Allow admins to set java options for map/reduce tasks
Date Wed, 11 Nov 2009 06:26:28 GMT
Allow admins to set java options for map/reduce tasks
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                 Key: MAPREDUCE-1207
                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1207
             Project: Hadoop Map/Reduce
          Issue Type: Improvement
          Components: client
            Reporter: Arun C Murthy


It will be useful for allow cluster-admins to set some java options for child map/reduce tasks.


E.g. We've had to ask users to set -Djava.net.preferIPv4Stack=true in their jobs, it would
be nice to do it for all users in such scenarios even when people override mapred.child.{map|reduce}.java.opts
but forget to add this.

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