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https://issues.apache.org/jira/browse/SPARK-26340?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sean Owen resolved SPARK-26340.
-------------------------------
Resolution: Fixed
Fix Version/s: 3.0.0
Issue resolved by pull request 23290
[https://github.com/apache/spark/pull/23290]
> Ensure cores per executor is greater than cpu per task
> ------------------------------------------------------
>
> Key: SPARK-26340
> URL: https://issues.apache.org/jira/browse/SPARK-26340
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.2.2, 2.3.2
> Reporter: Nicolas Fraison
> Assignee: Nicolas Fraison
> Priority: Minor
> Fix For: 3.0.0
>
>
> No check is performed to ensure spark.task.cpus is lower then
> spark.executor.cores. Which can lead to jobs not able to assign tasks without
> any understandable issues
> The check is only performed in the case of dynamic allocation usage in
> ExecutorAllocationManager
> Adding the check in TaskSchedulerImpl ensure that an issue is thrown to the
> driver
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