Hyukjin Kwon created SPARK-32267:
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Summary: Decrease parallelism of PySpark tests on Jenkins
Key: SPARK-32267
URL: https://issues.apache.org/jira/browse/SPARK-32267
Project: Spark
Issue Type: Improvement
Components: Project Infra, PySpark
Affects Versions: 3.0.0, 2.4.6, 3.1.0
Reporter: Hyukjin Kwon
Assignee: Hyukjin Kwon
PySpark tests became flaky apparently due to the machines being slow. The
parallelism of PySpark increased at SPARK-26148 to speed up.
Maybe we should decrease it to make the test stability better. It will only
increase around 10 minutes which is rather a small portion compared to 6 ~ 7
hours in total testing time.
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