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From "Amareshwari Sriramadasu (JIRA)" <j...@apache.org>
Subject [jira] Updated: (MAPREDUCE-609) Streaming: better support for command lines or streaming command
Date Mon, 12 Jul 2010 11:29:50 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Amareshwari Sriramadasu updated MAPREDUCE-609:
----------------------------------------------

    Issue Type: Improvement  (was: Bug)

> Streaming: better support for command lines or streaming command
> ----------------------------------------------------------------
>
>                 Key: MAPREDUCE-609
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-609
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/streaming
>            Reporter: arkady borkovsky
>
> Quite often, the command line for streaming mapper or reducer needs to use one or two
levels of quotes.
> This make it inconvenient or impossible to pass the commands in the streaming command
line.
> It would be good to have streaming take its specification from a file -- especially as
longer streaming commands are not typed in, but are either run from files (shell scripts)
or generated by other processors.
> The current work around is to separate files for the mapper command, for the reducer
command, and for the streaming command itself.  This works, but is inconvenient and quite
error-prone.
> Having just one file with all three would be good.

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