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Posted to mapreduce-dev@hadoop.apache.org by "Dan Harvey (JIRA)" <ji...@apache.org> on 2011/05/30 19:14:47 UTC
[jira] [Created] (MAPREDUCE-2546) MRunit ReduceDriver does not
fully replicate the reducers behaviour with reusing pointers over the
iterator
MRunit ReduceDriver does not fully replicate the reducers behaviour with reusing pointers over the iterator
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Key: MAPREDUCE-2546
URL: https://issues.apache.org/jira/browse/MAPREDUCE-2546
Project: Hadoop Map/Reduce
Issue Type: Bug
Components: contrib/mrunit
Affects Versions: 0.21.0, 0.20.2, 0.20.1
Reporter: Dan Harvey
Priority: Minor
The MRunit ReduceDriver does not replicate the behaviour of re-using the pointer to the returned values as they are iterated over. This is a problem for testing as it does not fail when you are incorrectly storing this pointer for a value if you want to use it later on in the iteration over the values.
The behaviour should be modified so the iterator will return the same pointer every time.
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