Ahmed Hussein created MAPREDUCE-7322:
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Summary: revisiting TestMRIntermediateDataEncryption
Key: MAPREDUCE-7322
URL: https://issues.apache.org/jira/browse/MAPREDUCE-7322
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: job submission, security, test
Reporter: Ahmed Hussein
I was reviewing {{TestMRIntermediateDataEncryption}}. The unit test has
actually little to do with encryption.
I have the following conclusion:
* Enabling/Disabling {{MRJobConfig.MR_ENCRYPTED_INTERMEDIATE_DATA}} does not
change the behavior of the unit test.
* There are no spill files generated by either mappers/reducers
* Wrapping I/O streams with Crypto never happens during the execution of the
unit test.
Unless I misunderstand the purpose of that unit test, I suggest that it gets
re-implemented so that it validates encryption in spilled intermediate data.
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