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https://issues.apache.org/jira/browse/MAPREDUCE-4417?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13411728#comment-13411728
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Alejandro Abdelnur commented on MAPREDUCE-4417:
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@eric14, my bad you can use a codec in the shuffle, when looking into this I've
discarded that option, let me remember exactly why and I'll follow up.
> add support for encrypted shuffle
> ---------------------------------
>
> Key: MAPREDUCE-4417
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-4417
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: mrv2, security
> Affects Versions: 2.0.0-alpha
> Reporter: Alejandro Abdelnur
> Assignee: Alejandro Abdelnur
> Fix For: 2.0.1-alpha
>
>
> Currently Shuffle fetches go on the clear. While Kerberos provides
> comprehensive authentication for the cluster, it does not provide
> confidentiality.
> When processing sensitive data confidentiality may be desired (at the expense
> of job performance and resources utilization for doing encryption).
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