Map and Reduce tasks should run as the user who submitted the job
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Key: HADOOP-4490
URL: https://issues.apache.org/jira/browse/HADOOP-4490
Project: Hadoop Core
Issue Type: Sub-task
Reporter: Arun C Murthy
Assignee: Arun C Murthy
Fix For: 0.20.0
Currently the TaskTracker spawns the map/reduce tasks, resulting in them
running as the user who started the TaskTracker.
For security and accounting purposes the tasks should be run as the job-owner.
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