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Posted to issues@hive.apache.org by "Prasanth Jayachandran (JIRA)" <ji...@apache.org> on 2016/02/09 20:49:18 UTC

[jira] [Commented] (HIVE-13027) Async loggers for LLAP

    [ https://issues.apache.org/jira/browse/HIVE-13027?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15139629#comment-15139629 ] 

Prasanth Jayachandran commented on HIVE-13027:
----------------------------------------------

[~gopalv] For using Async loggers, we need disruptor.jar in classpath. Currently disruptor.jar is pulled transitively by hbase-server. Do we need to package disruptor in hive-exec? 

> 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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