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Posted to common-issues@hadoop.apache.org by "Steve Loughran (Jira)" <ji...@apache.org> on 2022/11/09 11:21:00 UTC

[jira] [Commented] (HADOOP-18522) Remove usage of System.out.println from Hadoop Codebase

    [ https://issues.apache.org/jira/browse/HADOOP-18522?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17631006#comment-17631006 ] 

Steve Loughran commented on HADOOP-18522:
-----------------------------------------

test code is generally ok to move, though look for any suites which retarget System.out

production code, especially the output of any CLI, safest to leave alone unless any other tool is parsing the output

as usual, separate PRs will be needed for separate components (hdfs, yarn, mr etc) with their own module jiras linked to this.

> Remove usage of System.out.println from Hadoop Codebase 
> --------------------------------------------------------
>
>                 Key: HADOOP-18522
>                 URL: https://issues.apache.org/jira/browse/HADOOP-18522
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Samrat Deb
>            Assignee: Samrat Deb
>            Priority: Minor
>
> In Hadoop codebase , there exists usage of System.out.println used by developers during development . 
> This PR tries to remove those as a part of technical debt



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