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https://issues.apache.org/jira/browse/SPARK-24648?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Herman van Hovell resolved SPARK-24648.
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Resolution: Fixed
Assignee: Stacy Kerkela
Fix Version/s: 2.4.0
> SQLMetrics counters are not thread safe
> ---------------------------------------
>
> Key: SPARK-24648
> URL: https://issues.apache.org/jira/browse/SPARK-24648
> Project: Spark
> Issue Type: Bug
> Components: Project Infra
> Affects Versions: 2.3.1
> Reporter: Stacy Kerkela
> Assignee: Stacy Kerkela
> Priority: Minor
> Fix For: 2.4.0
>
> Original Estimate: 24h
> Remaining Estimate: 24h
>
> The += operator is not atomic, so for broadcast hash joins there have been
> discrepancies observed.
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