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https://issues.apache.org/jira/browse/SPARK-28676?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Dongjoon Hyun resolved SPARK-28676.
-----------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0
Issue resolved by pull request 25396
[https://github.com/apache/spark/pull/25396]
> Avoid Excessive logging from ContextCleaner
> -------------------------------------------
>
> Key: SPARK-28676
> URL: https://issues.apache.org/jira/browse/SPARK-28676
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.3.3, 3.0.0, 2.4.3
> Reporter: Ajith S
> Assignee: Ajith S
> Priority: Minor
> Fix For: 3.0.0
>
>
> In high workload environments, ContextCleaner seems to have excessive logging
> at INFO level which do not give much information. In one Particular case we
> see that ``INFO ContextCleaner: Cleaned accumulator`` message is 25-30% of
> the generated logs. We can log this information for cleanup in DEBUG level
> instead.
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