[jira] [Commented] (SPARK-24092) spark.python.worker.reuse does not work?

["David Figueroa (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/SPARK-24092?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16456464#comment-16456464 ] 

David Figueroa commented on SPARK-24092:
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still no answer from community 

[https://stackoverflow.com/questions/50043684/spark-python-worker-reuse-not-working-as-expected]

[http://apache-spark-user-list.1001560.n3.nabble.com/spark-python-worker-reuse-not-working-as-expected-td31976.html]

can anyone look at this problem? seems like a bug.

> 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
>            Priority: Minor
>
> {{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:java|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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