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From "Devaraj Das (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-915) For secure environments, the Map/Reduce debug script must be run as the user.
Date Thu, 08 Oct 2009 23:40:31 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-915?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12763756#action_12763756
] 

Devaraj Das commented on MAPREDUCE-915:
---------------------------------------

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.

> 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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