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From "Laljo John Pullokkaran (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HIVE-12675) PerfLogger should log performance metrics at debug level
Date Wed, 16 Dec 2015 21:14:46 GMT

    [ https://issues.apache.org/jira/browse/HIVE-12675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15060886#comment-15060886
] 

Laljo John Pullokkaran commented on HIVE-12675:
-----------------------------------------------

+1 conditional on clean QA run & adding documentation on perf logger log level.

> PerfLogger should log performance metrics at debug level
> --------------------------------------------------------
>
>                 Key: HIVE-12675
>                 URL: https://issues.apache.org/jira/browse/HIVE-12675
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Hari Sankar Sivarama Subramaniyan
>            Assignee: Hari Sankar Sivarama Subramaniyan
>         Attachments: HIVE-12675.1.patch
>
>
> As more and more subcomponents of Hive (Tez, Optimizer) etc are using PerfLogger to track
the performance metrics, it will be more meaningful to set the PerfLogger logging level to
DEBUG. Otherwise, we will print the performance metrics unnecessarily for each and every query
if the underlying subcomponent does not control the PerfLogging via a parameter on its own.



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