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From "Chris Douglas (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (MAPREDUCE-6220) Provide option to suppress stdout of MapReduce task
Date Fri, 24 Apr 2015 23:31:40 GMT

    [ https://issues.apache.org/jira/browse/MAPREDUCE-6220?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14512014#comment-14512014
] 

Chris Douglas commented on MAPREDUCE-6220:
------------------------------------------

bq. I think YangHao may have been thinking of putting this option in there for production
clusters.

I understood the intent, but the value in the patch is taken from the user configuration.

Agree on closing this as WONTFIX.

> 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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