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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2016/05/04 04:17:12 UTC

[jira] [Updated] (HIVE-13027) Configuration changes to improve logging performance

     [ https://issues.apache.org/jira/browse/HIVE-13027?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Prasanth Jayachandran updated HIVE-13027:
-----------------------------------------
    Attachment: HIVE-13027.3.patch

Rebased patch for precommit test run

> 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
>         Attachments: HIVE-13027.1.patch, HIVE-13027.2.patch, HIVE-13027.3.patch, HIVE-13027.3.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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