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https://issues.apache.org/jira/browse/HADOOP-4493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12728647#action_12728647
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Vinod K V commented on HADOOP-4493:
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One comment that came out of a Hemanth's discussion with Devaraj/Owen is w.r.t
access of user files on the file system by the DistributedCache api on the TT.
The user files will be assumed to be securely owned by the user and so TT has
the onus to use the job's configuration and hence the user's identity to
download files from the file system.
> Localized files from DistributedCache should have right access-control
> ----------------------------------------------------------------------
>
> Key: HADOOP-4493
> URL: https://issues.apache.org/jira/browse/HADOOP-4493
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: mapred, security
> Reporter: Arun C Murthy
>
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