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