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Posted to issues@spark.apache.org by "Stacy Kerkela (JIRA)" <ji...@apache.org> on 2018/06/25 12:31:00 UTC
[jira] [Commented] (SPARK-24648) SQLMetrics counters are not thread
safe
[ https://issues.apache.org/jira/browse/SPARK-24648?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16522224#comment-16522224 ]
Stacy Kerkela commented on SPARK-24648:
---------------------------------------
I have a PR prepared for this.
> 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
> Priority: Minor
> 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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