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From "Harsh J (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-3991) Streaming FAQ has some wrong instructions about input files splitting
Date Fri, 09 Mar 2012 05:43:57 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-3991?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Harsh J updated MAPREDUCE-3991:
-------------------------------

    Target Version/s: 0.24.0, 0.23.3  (was: 0.23.3, 0.24.0)
              Status: Patch Available  (was: Open)
    
> Streaming FAQ has some wrong instructions about input files splitting
> ---------------------------------------------------------------------
>
>                 Key: MAPREDUCE-3991
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-3991
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: documentation
>    Affects Versions: 0.23.0
>            Reporter: Harsh J
>            Assignee: Harsh J
>            Priority: Trivial
>         Attachments: MAPREDUCE-3991.patch
>
>
> Steaming docs say, at: http://hadoop.apache.org/common/docs/current/streaming.html#How+do+I+process+files%2C+one+per+map%3F
> "Generate a file containing the full HDFS path of the input files. Each map task would
get one file name as input."
> This is incorrect, as a file isn't split by lines, rather by size - for MR.

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