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From "Konstantin Shvachko (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-4981) WordMean, WordMedian, WordStandardDeviation missing from ExamplesDriver
Date Thu, 11 Apr 2013 20:35:16 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-4981?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13629326#comment-13629326

Konstantin Shvachko commented on MAPREDUCE-4981:

+1. Should have committed this earlier.
> WordMean, WordMedian, WordStandardDeviation missing from ExamplesDriver
> -----------------------------------------------------------------------
>                 Key: MAPREDUCE-4981
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-4981
>             Project: Hadoop Map/Reduce
>          Issue Type: Bug
>    Affects Versions: 3.0.0, 2.0.3-alpha
>            Reporter: Plamen Jeliazkov
>            Assignee: Plamen Jeliazkov
>            Priority: Minor
>             Fix For: 3.0.0, 2.0.5-beta
>         Attachments: MAPREDUCE-4981.patch
> https://issues.apache.org/jira/browse/MAPREDUCE-2669 introduced 3 new MapReduce examples,
but they were never added to the ExamplesDriver.
> This JIRA proposes to add them to the ExamplesDriver. I have ran them myself and can
confirm the examples still work as intended.
> As a workaround for now, people can still run them by: 
> bin/hadoop org.apache.hadoop.examples.WordMean <input file/dir path> <output
dir path>
> bin/hadoop org.apache.hadoop.examples.WordMedian <input file/dir path> <output
dir path>
> bin/hadoop org.apache.hadoop.examples.WordStandardDeviation <input file/dir path>
<output dir path>
> Post-patch, people will be able to run them by:
> bin/hadoop jar /HADOOP_PATH/share/lib/mapreduce-examples.jar <wordmean|wordmedian|wordstandarddeviation>
<input file/dir path> <output dir path>
> Just like they do for running the wordcount example.

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