[jira] Updated: (HADOOP-4930) Implement setuid executable for Linux to assist in launching tasks as job owners

["Sreekanth Ramakrishnan (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HADOOP-4930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sreekanth Ramakrishnan updated HADOOP-4930:
-------------------------------------------

    Attachment: HADOOP-4930-8.patch

Attaching the latest patch with following changes:

* Made changes now to accept mapred.local.dir instead of hadoop.tmp.dir
* Made changes in build so that now it builds the binary, does not make it a setuid executable. The permission and ownership change is left out as a deployment step.

> Implement setuid executable for Linux to assist in launching tasks as job owners
> --------------------------------------------------------------------------------
>
>                 Key: HADOOP-4930
>                 URL: https://issues.apache.org/jira/browse/HADOOP-4930
>             Project: Hadoop Core
>          Issue Type: Sub-task
>          Components: mapred
>            Reporter: Hemanth Yamijala
>            Assignee: Sreekanth Ramakrishnan
>         Attachments: HADOOP-4930-1.patch, HADOOP-4930-2.patch, HADOOP-4930-3.patch, HADOOP-4930-4.patch, HADOOP-4930-5.patch, HADOOP-4930-6.patch, HADOOP-4930-7.patch, HADOOP-4930-8.patch
>
>
> HADOOP-4490 tracks the design and implementation of launching tasks as job owners. As per discussion there, the proposal is to implement a setuid executable for Linux that would be launched by the tasktracker to run tasks as the job owners. In this task we will track the implementation of the setuid executable. HADOOP-4490 will be used to track changes in the tasktracker.

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