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https://issues.apache.org/jira/browse/SPARK-31509?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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wuyi updated SPARK-31509:
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Affects Version/s: (was: 3.1.0)
2.4.0
> Recommend user to disable delay scheduling for barrier taskset
> --------------------------------------------------------------
>
> Key: SPARK-31509
> URL: https://issues.apache.org/jira/browse/SPARK-31509
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 2.4.0
> Reporter: wuyi
> Priority: Major
>
> Currently, barrier taskset can only be scheduled when all tasks are launched
> at the same time. As a result, delay scheduling becomes the biggest obstacle
> for the barrier taskset to get scheduled. And the application can be easily
> fail with barrier taskset when delay scheduling is on. So, probably, we
> should recommend user to disable delay scheduling while using barrier
> execution.
>
> BTW, we could still support delay scheduling with barrier taskset if we find
> a way to resolve SPARK-24818
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