Hyukjin Kwon created SPARK-22554:
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Summary: Add a config to control if PySpark should use daemon or
not
Key: SPARK-22554
URL: https://issues.apache.org/jira/browse/SPARK-22554
Project: Spark
Issue Type: Improvement
Components: PySpark
Affects Versions: 2.3.0
Reporter: Hyukjin Kwon
Priority: Trivial
Actually, SparkR already has a flag for {{useDaemon}}:
https://github.com/apache/spark/blob/478fbc866fbfdb4439788583281863ecea14e8af/core/src/main/scala/org/apache/spark/api/r/RRunner.scala#L362
It'd be great if we have this flag too. It makes easier to test Windows
specific issue.
Also, this is also partly for running Python coverage without extra code
change. I know a hacky way to run this:
https://github.com/apache/spark/pull/19630#issuecomment-345490662
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