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From "Vinod K V (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-915) For secure environments, the Map/Reduce debug script must be run as the user.
Date Fri, 09 Oct 2009 08:36:31 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763913#action_12763913
] 

Vinod K V commented on MAPREDUCE-915:
-------------------------------------

bq.This has another deeper implication. In particular, for the launched debug script processes,
we will have to do the memory management that we do for the regular java tasks. Argh. 
Created MAPREDUCE-1087 for the same. MAPREDUCE-1087 may not be a blocker for 0.21. Thoughts?

> For secure environments, the Map/Reduce debug script must be run as the user.
> -----------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-915
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-915
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: tasktracker
>    Affects Versions: 0.21.0
>            Reporter: Hemanth Yamijala
>            Priority: Blocker
>
> The Taskcontroller model allows admins to set up a cluster configuration that runs tasks
as users. The debug script feature of Map/Reduce provided by the configuration options: mapred.map.task.debug.script
and mapred.reduce.task.debug.script need to be run as the user as well in such environments,
rather than as the tasktracker user.

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