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From "Yang Hao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (MAPREDUCE-6220) Provide option to forbid stdout of MapReduce task
Date Thu, 09 Apr 2015 09:07:12 GMT

     [ https://issues.apache.org/jira/browse/MAPREDUCE-6220?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Yang Hao updated MAPREDUCE-6220:
--------------------------------
    Summary: Provide option  to forbid stdout of MapReduce task  (was: Add an parameter for
users decide whether forbid stdout of map task or reduce task)

> Provide option  to forbid stdout of MapReduce 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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