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Posted to mapreduce-issues@hadoop.apache.org by "Yang Hao (JIRA)" <ji...@apache.org> on 2015/04/12 05:09:12 UTC

[jira] [Updated] (MAPREDUCE-6220) Provide option to suppress stdout of MapReduce task

     [ 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 suppress stdout of MapReduce task  (was: Provide option  to forbid stdout of MapReduce task)

> Provide option  to suppress 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
>            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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