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Posted to mapreduce-issues@hadoop.apache.org by "Akira AJISAKA (JIRA)" <ji...@apache.org> on 2016/01/22 13:02:39 UTC

[jira] [Updated] (MAPREDUCE-6200) Hadoop streaming -mapper and -reducer options are wrongly documented as required

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6200?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Akira AJISAKA updated MAPREDUCE-6200:
-------------------------------------
    Hadoop Flags: Reviewed
         Summary: Hadoop streaming -mapper and -reducer options are wrongly documented as required  (was: Streaming job -reducer option for Map only job )

> Hadoop streaming -mapper and -reducer options are wrongly documented as required
> --------------------------------------------------------------------------------
>
>                 Key: MAPREDUCE-6200
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-6200
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>          Components: documentation
>            Reporter: DeepakVohra
>            Assignee: Kengo Seki
>              Labels: newbie, streaming
>         Attachments: MAPREDUCE-6200.001.patch
>
>
> -reducer is listed as a Required option, but is a -reducer still required if the Streaming job is Map only?
> http://hadoop.apache.org/docs/r1.2.1/streaming.html#Specifying+Map-Only+Jobs
> -reducer should not be listed as a Required option. 



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