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https://issues.apache.org/jira/browse/SPARK-42686?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-42686.
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Fix Version/s: 3.5.0
Resolution: Fixed
Issue resolved by pull request 40302
[https://github.com/apache/spark/pull/40302]
> TaskMemoryManager debug logging is expensive
> --------------------------------------------
>
> Key: SPARK-42686
> URL: https://issues.apache.org/jira/browse/SPARK-42686
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 3.3.2
> Reporter: Alkis Evlogimenos
> Assignee: Alkis Evlogimenos
> Priority: Major
> Fix For: 3.5.0
>
>
> TaskMemoryManager debug logging is expensive mostly because formatting
> operations are done eagerly and some of them are quite expensive (i.e.
> humanized strings). This causes visible CPU usage in scan benchmarks for
> example.
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