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https://issues.apache.org/jira/browse/HIVE-13027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15381081#comment-15381081
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Lefty Leverenz commented on HIVE-13027:
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[~prasanth_j], does this need to be documented in the wiki?
I ask because of your comment about async logging being added in 2.1 on the
thread "hive 2.1.0 beeline cannot show verbose log" on user@hive.
* [user@hive -- Re: hive 2.1.0 beeline cannot show verbose log |
http://mail-archives.apache.org/mod_mbox/hive-user/201607.mbox/%3cc6dbd783301a42bf.cdaf89e4-afbc-4329-a557-db1ea7e44...@mail.outlook.com%3e]
* [Getting Started -- Hive Logging |
https://cwiki.apache.org/confluence/display/Hive/GettingStarted#GettingStarted-HiveLogging]
> Configuration changes to improve logging performance
> ----------------------------------------------------
>
> Key: HIVE-13027
> URL: https://issues.apache.org/jira/browse/HIVE-13027
> Project: Hive
> Issue Type: Improvement
> Components: Logging
> Affects Versions: 2.1.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Fix For: 2.1.0
>
> Attachments: HIVE-13027.1.patch, HIVE-13027.2.patch,
> HIVE-13027.3.patch, HIVE-13027.3.patch, HIVE-13027.4.patch
>
>
> For LLAP and HS2, some configuration changes can be made to improve logging
> performance
> 1) LOG4j2's async logger claims to have 6-68 times better performance than
> synchronous logger. https://logging.apache.org/log4j/2.x/manual/async.html
> 2) Replace File appenders with RandomAccessFileAppender that claims to be
> 20-200% more performant.
> https://logging.apache.org/log4j/2.x/manual/appenders.html#RandomAccessFileAppender
> Also make async logging configurable.
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