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https://issues.apache.org/jira/browse/MAPREDUCE-2712?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13127285#comment-13127285
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Aaron T. Myers commented on MAPREDUCE-2712:
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Hey Antonio, this seems like a reasonable proposal to me. Could you prepare a
patch which would implement this? If so, please provide a patch for trunk and
optionally another patch which can be applied to branch-0.20-security.
> add stdin to mapdebug and reducedebug scripts in streaming
> ----------------------------------------------------------
>
> Key: MAPREDUCE-2712
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-2712
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: contrib/streaming
> Affects Versions: 0.20.2
> Reporter: Antonio Piccolboni
>
> The current syntax for the mapdebug and reducedebug scripts is $script
> $stdout $stderr $syslog $jobconf, which seems appropriate for task failure
> post-analysis. But it seems more than natural to want to inspect or analyze
> the input to see under what input the task failed, up to rerunning the task
> say in debug mode or with other monitoring in place. So why not make it
> $script $stdin $stdout $stderr $syslog $jobconf to complete the circle? See
> also https://issues.apache.org/jira/browse/MAPREDUCE-2076
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