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From "Gopal V (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-13027) Async loggers for LLAP
Date Wed, 17 Feb 2016 08:48:18 GMT

    [ https://issues.apache.org/jira/browse/HIVE-13027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15150141#comment-15150141
] 

Gopal V commented on HIVE-13027:
--------------------------------

[~prasanth_j]: yes, some jars to be bundled - HIVE-13015 (see .3 patch).

Confirmed a run of TPC-DS Q55 using 1 node with INFO logging ran in ~0.6 seconds, but my INFO
logs are going to console.

Trying to figure out how the llap log4j is loaded up by the Configurator (is it still reading
hive-exec-log4j2.properties?).



> Async loggers for LLAP
> ----------------------
>
>                 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
>
>
> 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
> We should use that for LLAP. 



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