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From "Jim Donofrio (JIRA)" <>
Subject [jira] [Commented] (MRUNIT-13) Add support for MultipleOutputs
Date Wed, 06 Jun 2012 13:19:23 GMT


Jim Donofrio commented on MRUNIT-13:

I am looking for some input on a good api for this. My current plan is to have the user's
configure MultipleOutputs using the existing MultipleOutputs api, I think that for new features
we add we should generally try to use as much of the hadoop api as possible to avoid confsuion
and duplication.

The run method would still only return what goes to the regular outputcollector. There would
be a separate multipleOutputsRun method to separate out the outputs. I am wondering though
for the verification part, would you rather have withOutput(String namedOutput, K key, V value)
and withOutput(String namedOutput, String multiNamedOutput, K key, V value) OR have users
create some MultipleOutputsResults object which has a constructor for the named or multiNamedOutput
name and then they call withOutput(K key, V value) on the MultipleOutputsResults object?
> Add support for MultipleOutputs
> -------------------------------
>                 Key: MRUNIT-13
>                 URL:
>             Project: MRUnit
>          Issue Type: New Feature
>    Affects Versions: 0.5.0
>            Reporter: E. Sammer
>            Assignee: Jim Donofrio
>             Fix For: 1.0.0
> Add support to mrunit for Hadoop's MultipleOutputs.

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