[jira] Commented: (HADOOP-4490) Map and Reduce tasks should run as the user who submitted the job

["Vinod K V (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-4490?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12642042#action_12642042 ] 

Vinod K V commented on HADOOP-4490:
-----------------------------------

Duplicate of HADOOP-4451.

> Map and Reduce tasks should run as the user who submitted the job
> -----------------------------------------------------------------
>
>                 Key: HADOOP-4490
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4490
>             Project: Hadoop Core
>          Issue Type: Sub-task
>          Components: mapred, security
>            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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