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From "Alejandro Abdelnur (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-4417) add support for encrypted shuffle
Date Tue, 17 Jul 2012 16:46:35 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-4417?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Alejandro Abdelnur updated MAPREDUCE-4417:

    Attachment: MAPREDUCE-4417.patch

And now with testcases passing (the encrypted shuffle testcase was leaving a core-site.xml
that was being picked up by other testcases)

Forgot to mention before, all this work is based on an initial implementation by Tom White.
> 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: 2.1.0-alpha
>         Attachments: MAPREDUCE-4417.patch, MAPREDUCE-4417.patch, MAPREDUCE-4417.patch,
MAPREDUCE-4417.patch, MAPREDUCE-4417.patch
> 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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