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Posted to common-dev@hadoop.apache.org by "Hemanth Yamijala (JIRA)" <ji...@apache.org> on 2008/11/19 14:50:44 UTC

[jira] Commented: (HADOOP-4451) Resource Manager to assume identity of user to execute task

    [ https://issues.apache.org/jira/browse/HADOOP-4451?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12649036#action_12649036 ] 

Hemanth Yamijala commented on HADOOP-4451:
------------------------------------------

Hi, I propose to close this as a duplicate of HADOOP-4490, and continue discussions there. HADOOP-4490 is a sub-task of a larger task, and seems to make more sense to leave it intact. Can watchers of this issue please switch to watching the new one ? If no one has objections, I will close it tomorrow.

> Resource Manager to assume identity of user to execute task
> -----------------------------------------------------------
>
>                 Key: HADOOP-4451
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4451
>             Project: Hadoop Core
>          Issue Type: Improvement
>          Components: mapred
>            Reporter: Marco Nicosia
>             Fix For: 0.20.0
>
>
> In the coming resource manager, the current model is that all tasks will run as the same generic user (task.java is called directly by the TaskTracker).
> Instead of calling "java task.java [arguments]" allow for calling a program which will assume the UID (euid, gid, etc) of the calling user and call task.java on behalf of the TaskTracker.

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