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https://issues.apache.org/jira/browse/HIVE-9756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15378571#comment-15378571
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Prasanth Jayachandran commented on HIVE-9756:
---------------------------------------------
bq. MDC/NDC vs log4j2 ThreadContext
(https://logging.apache.org/log4j/2.x/manual/thread-context.html) - does it
matter?
MDC/NDC will be mapped to ThreadContext by slf4j. So not a problem.
> LLAP: use log4j 2 for llap (log to separate files, etc.)
> --------------------------------------------------------
>
> Key: HIVE-9756
> URL: https://issues.apache.org/jira/browse/HIVE-9756
> Project: Hive
> Issue Type: Sub-task
> Affects Versions: 2.0.0
> Reporter: Gunther Hagleitner
> Assignee: Prasanth Jayachandran
> Attachments: HIVE-9756.1.patch, HIVE-9756.2.patch, HIVE-9756.3.patch,
> HIVE-9756.4.patch, HIVE-9756.4.patch, HIVE-9756.5.patch, HIVE-9756.6.patch,
> HIVE-9756.7.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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