David Figueroa created SPARK-24092:
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Summary: spark.python.worker.reuse does not work?
Key: SPARK-24092
URL: https://issues.apache.org/jira/browse/SPARK-24092
Project: Spark
Issue Type: Question
Components: PySpark
Affects Versions: 2.3.0
Reporter: David Figueroa
{{spark.python.worker.reuse is true by default but even after explicitly
setting to true the code below does not print the same python worker process
ids.}}
{{{{{code:title=procid.py|borderStyle=solid} }}}}
def return_pid(_): yield os.getpid()
spark = SparkSession.builder.getOrCreate()
pids = set(spark.sparkContext.range(32).mapPartitions(return_pid).collect())
print(pids)
pids = set(spark.sparkContext.range(32).mapPartitions(return_pid).collect())
print(pids)
{{{{{code}}}}}
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