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https://issues.apache.org/jira/browse/HADOOP-4490?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mahadev konar updated HADOOP-4490:
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Attachment: HADOOP-4490_streaming.patch
we were running with this patch and had problems with streaming scripts being
set to 666. This patch fixes that to make all the files unjarred to be
readable and executable by all.
> Map and Reduce tasks should run as the user who submitted the job
> -----------------------------------------------------------------
>
> Key: HADOOP-4490
> URL: https://issues.apache.org/jira/browse/HADOOP-4490
> Project: Hadoop Core
> Issue Type: Sub-task
> Components: mapred, security
> Reporter: Arun C Murthy
> Assignee: Hemanth Yamijala
> Fix For: 0.21.0
>
> Attachments: hadoop-4490-design.pdf, HADOOP-4490.patch,
> HADOOP-4490.patch, HADOOP-4490.patch, HADOOP-4490.patch, HADOOP-4490.patch,
> HADOOP-4490.patch, HADOOP-4490.patch, HADOOP-4490_streaming.patch
>
>
> Currently the TaskTracker spawns the map/reduce tasks, resulting in them
> running as the user who started the TaskTracker.
> For security and accounting purposes the tasks should be run as the job-owner.
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