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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 edited comment on HIVE-12281 at 10/28/15 6:13 PM:
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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.
Note that in this case logging is disabled, so profile above is basically just
for checks, nothing to do with string building
was (Author: sershe):
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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