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https://issues.apache.org/jira/browse/HIVE-9756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14731842#comment-14731842
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Prasanth Jayachandran commented on HIVE-9756:
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I think this patch will swap out the MDC just before running. Does that solve 
your previous issue with MDC?


> LLAP: use log4j 2 for llap
> --------------------------
>
>                 Key: HIVE-9756
>                 URL: https://issues.apache.org/jira/browse/HIVE-9756
>             Project: Hive
>          Issue Type: Sub-task
>            Reporter: Gunther Hagleitner
>            Assignee: Prasanth Jayachandran
>         Attachments: HIVE-9756.1.patch, HIVE-9756.2.patch
>
>
> For the INFO logging, we'll need to use the log4j-jcl 2.x upgrade-path to get 
> throughput friendly logging.
> http://logging.apache.org/log4j/2.0/manual/async.html#Performance



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