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https://issues.apache.org/jira/browse/HIVE-23193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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David Mollitor reassigned HIVE-23193:
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> Review of Subset of Debug Logging
> ---------------------------------
>
> Key: HIVE-23193
> URL: https://issues.apache.org/jira/browse/HIVE-23193
> Project: Hive
> Issue Type: Improvement
> Reporter: David Mollitor
> Assignee: David Mollitor
> Priority: Minor
>
> bq. Better yet, use parameterized messages
> bq. Will outperform the first form by a factor of at least 30, in case of a
> disabled logging statement.
> http://www.slf4j.org/faq.html
> * Use parameterized logging where appropriate
> * Add logging guards {{if (Log.isDebugEnabled()}} around loops and complex
> debug message
> Simplify the code, remove lines of code, and potentially increase performance
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