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From "Ravi Gummadi (JIRA)" <j...@apache.org>
Subject [jira] Commented: (MAPREDUCE-1851) Document configuration parameters in streaming
Date Tue, 22 Jun 2010 09:03:55 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-1851?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12881133#action_12881133
] 

Ravi Gummadi commented on MAPREDUCE-1851:
-----------------------------------------

The description of stream.joindelay.milli "Timeout in milliseconds for error thread and output
thread to die" seems to be misleading if this is number of milli seconds for which the error
thread and output thread are alive(time from start of thread to die). May be we should mention
that this is the amount of time we wait for joining the error and output threads at the end
of mapper/reducer ?

> 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-1851-1.txt, 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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