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From "Jim Donofrio (Commented) (JIRA)" <>
Subject [jira] [Commented] (MRUNIT-64) Multiple Input Key, Value Pairs should be supported
Date Sun, 26 Feb 2012 07:33:48 GMT


Jim Donofrio commented on MRUNIT-64:

And just to clarify by multiple inputs we are talking about giving a mapper or reducer class
multiple sets of key, value pairs not using the MultipleInputs class. However, what is your
thought on adding support for the MultipleInputs class to the MapReduceDriver. A user would
then test their different mappers for multiple inputs with the MapDriver and could then test
the combination of the mappers with a reducer in the MapReduceDriver class
> Multiple Input Key, Value Pairs should be supported
> ---------------------------------------------------
>                 Key: MRUNIT-64
>                 URL:
>             Project: MRUnit
>          Issue Type: Improvement
>            Reporter: Brock Noland
> The comments on MRUNIT-14 brought up a great point. The API today only allows a single
key value pair input. In many scenarios multiple inputs would be useful.

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