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https://issues.apache.org/jira/browse/HIVE-11304?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14694282#comment-14694282
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Sergey Shelukhin commented on HIVE-11304:
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Left some comments on RB. I am assuming all the xml files are produced from
properties files and are equivalent functionality-wise
> Migrate to Log4j2 from Log4j 1.x
> --------------------------------
>
> Key: HIVE-11304
> URL: https://issues.apache.org/jira/browse/HIVE-11304
> Project: Hive
> Issue Type: Improvement
> Affects Versions: 2.0.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Attachments: HIVE-11304.2.patch, HIVE-11304.3.patch,
> HIVE-11304.4.patch, HIVE-11304.5.patch, HIVE-11304.6.patch,
> HIVE-11304.7.patch, HIVE-11304.patch
>
>
> Log4J2 has some great benefits and can benefit hive significantly. Some
> notable features include
> 1) Performance (parametrized logging, performance when logging is disabled
> etc.) More details can be found here
> https://logging.apache.org/log4j/2.x/performance.html
> 2) RoutingAppender - Route logs to different log files based on MDC context
> (useful for HS2, LLAP etc.)
> 3) Asynchronous logging
> This is an umbrella jira to track changes related to Log4j2 migration.
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