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From "Sharad Agarwal (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-1785) Add streaming config option for not emitting the key
Date Wed, 02 Jun 2010 07:47:41 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-1785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Sharad Agarwal updated MAPREDUCE-1785:
--------------------------------------

          Status: Resolved  (was: Patch Available)
    Hadoop Flags: [Reviewed]
      Resolution: Fixed

I committed this. Thanks Eli.

> Add streaming config option for not emitting the key
> ----------------------------------------------------
>
>                 Key: MAPREDUCE-1785
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1785
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/streaming
>    Affects Versions: 0.22.0
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>            Priority: Minor
>             Fix For: 0.22.0
>
>         Attachments: mapreduce-1785-1.patch
>
>
> PipeMapper currently does not emit the key when using TextInputFormat. If you switch
to input formats (eg LzoTextInputFormat) the key will be emitted. We should add an option
so users can explicitly make streaming not emit the key so they can change input formats without
breaking or having to modify their existing programs.

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