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https://issues.apache.org/jira/browse/TEZ-3562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15765572#comment-15765572
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Prasanth Jayachandran commented on TEZ-3562:
--------------------------------------------

The problem is in hive, results are printed to STDOUT and all other messages 
goes to STDERR. In case of container reuse, writing to STDOUT will be 
problematic if users redirect STDOUT to file in a specific format.

> Attempt completion gets printed to STDOUT and STDERR
> ----------------------------------------------------
>
>                 Key: TEZ-3562
>                 URL: https://issues.apache.org/jira/browse/TEZ-3562
>             Project: Apache Tez
>          Issue Type: Bug
>    Affects Versions: 0.9.0, 0.8.4
>            Reporter: Prasanth Jayachandran
>            Assignee: Prasanth Jayachandran
>            Priority: Trivial
>         Attachments: TEZ-3562.1.patch
>
>
> LogicalIOProcessorRuntimeTask.java is printing the attempt completion msg 
> twice (once to STDOUT and another to STDERR). Should this go into log file 
> once at INFO level instead?



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