Tianhan Hu created SPARK-37891:
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Summary: Add scalastyle check to disable
scala.concurrent.ExecutionContext.Implicits.global
Key: SPARK-37891
URL: https://issues.apache.org/jira/browse/SPARK-37891
Project: Spark
Issue Type: Improvement
Components: Spark Core
Affects Versions: 3.2.0
Reporter: Tianhan Hu
Fix For: 3.2.2
Add scalastyle check to disable internal use of
scala.concurrent.ExecutionContext.Implicits.global.
The reason is that user queries can also use this thread pool, causing
competing in resource and starvation. Spark-internal APIs should thus not use
the global thread pool.
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