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https://issues.apache.org/jira/browse/MAPREDUCE-5890?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14042768#comment-14042768
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Alejandro Abdelnur commented on MAPREDUCE-5890:
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[~chris.douglas], on the last section of the previous comment. I didn't mean to
say your refactoring asks are a wild goose, I just wanted to say I don't want
to end up on that situation. My apologies if I've given the wrong impression
with my comment. I've talked with Arun and he is already exploring along the
lines of your suggestions to see their feasibility.
> Support for encrypting Intermediate data and spills in local filesystem
> -----------------------------------------------------------------------
>
> Key: MAPREDUCE-5890
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-5890
> Project: Hadoop Map/Reduce
> Issue Type: New Feature
> Components: security
> Affects Versions: 2.4.0
> Reporter: Alejandro Abdelnur
> Assignee: Arun Suresh
> Labels: encryption
> Attachments: MAPREDUCE-5890.3.patch, MAPREDUCE-5890.4.patch,
> org.apache.hadoop.mapred.TestMRIntermediateDataEncryption-output.txt,
> syslog.tar.gz
>
>
> For some sensitive data, encryption while in flight (network) is not
> sufficient, it is required that while at rest it should be encrypted.
> HADOOP-10150 & HDFS-6134 bring encryption at rest for data in filesystem
> using Hadoop FileSystem API. MapReduce intermediate data and spills should
> also be encrypted while at rest.
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