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https://issues.apache.org/jira/browse/MAPREDUCE-6220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yang Hao updated MAPREDUCE-6220:
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Description: System.out is a ugly way to print log, and many times it would
do harm to Hadoop cluster. So we can provide an option to forbid it (was:
System.out is a ugly way to print log, and many times it would do harm to
Hadoop cluster. So we can providing an parameter to forbid it)
> Add an parameter for users decide whether forbid stdout of map task or reduce
> task
> ----------------------------------------------------------------------------------
>
> Key: MAPREDUCE-6220
> URL: https://issues.apache.org/jira/browse/MAPREDUCE-6220
> Project: Hadoop Map/Reduce
> Issue Type: Improvement
> Components: mrv2
> Affects Versions: 2.6.0
> Reporter: Yang Hao
> Assignee: Yang Hao
> Attachments: MAPREDUCE-6220.patch, MAPREDUCE-6220.v2.patch
>
>
> System.out is a ugly way to print log, and many times it would do harm to
> Hadoop cluster. So we can provide an option to forbid it
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