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https://issues.apache.org/jira/browse/HIVE-12281?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14978927#comment-14978927
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Sergey Shelukhin commented on HIVE-12281:
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The logging call itself is expensive, at least before log4j2. With log4j2 it's
supposed to be cheaper but we haven't really tested
> Vectorized MapJoin - use Operator::isLogDebugEnabled
> ----------------------------------------------------
>
> Key: HIVE-12281
> URL: https://issues.apache.org/jira/browse/HIVE-12281
> Project: Hive
> Issue Type: Bug
> Components: Vectorization
> Affects Versions: 1.3.0, 2.0.0
> Reporter: Gopal V
> Assignee: Gopal V
> Priority: Minor
> Attachments: HIVE-12281.1.patch, vector-map-logging.png
>
>
> !vector-map-logging.png!
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