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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1851) Document configuration parameters in streaming
Date Mon, 14 Jun 2010 11:33:14 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12878537#action_12878537

Ravi Gummadi commented on MAPREDUCE-1851:

We could also specify for the 4 properties stream.map.input, stream.map.output, stream.reduce.input
and stream.reduce.input that these will take the values given with -D only if -io <identifier>
is not used. In other words, Should we say that "-io <identifier>" will replace these
4 properties with the <identifier> ?

> Document configuration parameters in streaming
> ----------------------------------------------
>                 Key: MAPREDUCE-1851
>                 URL: https://issues.apache.org/jira/browse/MAPREDUCE-1851
>             Project: Hadoop Map/Reduce
>          Issue Type: Improvement
>          Components: contrib/streaming, documentation
>            Reporter: Amareshwari Sriramadasu
>            Assignee: Amareshwari Sriramadasu
>             Fix For: 0.22.0
>         Attachments: patch-1851.txt
> There are several streaming options such as stream.map.output.field.separator, stream.num.map.output.key.fields,
stream.map.input.field.separator,  stream.reduce.input.field.separator,  stream.map.input.ignoreKey,
stream.non.zero.exit.is.failure etc which are spread everywhere. These should be documented
at single place with description and default-value.

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