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https://issues.apache.org/jira/browse/MAPREDUCE-5202?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13648875#comment-13648875
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Luke Lu commented on MAPREDUCE-5202:
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As I pointed out on the security mailing list, MAPREDUCE-4397 and its
equivalent in 2+, does NOT "significantly" weakens Hadoop security. To avoid
going to the details, this is analogous to having a plastic deposit box inside
a safe. The _additional_ "weakness" only comes in when the safe is opened.
Reverting MAPREDUCE-4397 simply replace the plastic box inside the safe with
the original tin box, which is also trivial to open once the safe is opened.
> Revert MAPREDUCE-4397 to avoid using incorrect config files
> -----------------------------------------------------------
>
> Key: MAPREDUCE-5202
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5202
> Project: Hadoop Map/Reduce
> Issue Type: Bug
> Reporter: Owen O'Malley
> Assignee: Owen O'Malley
>
> MAPREDUCE-4397 added the capability to switch the location of the
> taskcontroller.cfg file, which weakens security.
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