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Robert Joseph Evans commented on MAPREDUCE-2955:
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>From MAPREDUCE-4118 which was duped to this (Just so it is not lost).
There are a number of tests from MRV1 that are being pulled into MRV2. Many of
these tests use MiniMRCluster, but the MiniMRCluser shim was added so that
projects like Oozie and Pig can have a single test that will work for either
Yarn or MRV1. Internally our tests are never going to go back to be run on MRV1
so we should update them to use the new code.
Also there are some places where older tests and newer tests are almost
duplicates of one another, or where the same results are archived through
through mock objects. For the sake of runtime of the tests it would be better
to remove some of these duplicates.
> Port MR1 tests to MR2
> ---------------------
>
> Key: MAPREDUCE-2955
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2955
> Project: Hadoop Map/Reduce
> Issue Type: Test
> Components: mrv2, test
> Affects Versions: 0.23.0
> Reporter: Eli Collins
>
> Umbrella jira for porting MiniMR tests over to MiniYarnCluster and
> MiniMRYarnCluster.
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