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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-620) Streaming: support local execution
Date Mon, 12 Jul 2010 11:48:50 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-620?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu updated MAPREDUCE-620:
----------------------------------------------

    Issue Type: Improvement  (was: Bug)

> Streaming: support local execution
> ----------------------------------
>
>                 Key: MAPREDUCE-620
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-620
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/streaming
>            Reporter: arkady borkovsky
>
> For streaming, local execution does not involve hadoop.
> It is just
>   hdfs -cat input | mapper-command | sort | reducer command
> While a user can do this herself, having an option to do this by using the infrastructure
would greatly simplify user script and and make it easier to ensure that the process will
run on the cluster as expected.

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