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https://issues.apache.org/jira/browse/SPARK-55326?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Hyukjin Kwon resolved SPARK-55326.
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Fix Version/s: 4.2.0
Resolution: Fixed
Issue resolved by pull request 54106
[https://github.com/apache/spark/pull/54106]
> Add an optional connect session release in pyspark
> --------------------------------------------------
>
> Key: SPARK-55326
> URL: https://issues.apache.org/jira/browse/SPARK-55326
> Project: Spark
> Issue Type: Improvement
> Components: Connect, PySpark
> Affects Versions: 4.2.0
> Reporter: Bobby Wang
> Assignee: Bobby Wang
> Priority: Major
> Labels: pull-request-available
> Fix For: 4.2.0
>
>
> In Spark Connect, if a user’s code does not include {{{}spark.stop(){}}}—an
> omission that is quite common—the session will persist on the Spark Connect
> Server until the idle timeout elapses, which can lead to unnecessary resource
> waste. For this reason, I propose adding an environment variable in PySpark
> to implement session release logic within the PySpark process’s shutdown
> hook. When this environment variable is enabled, PySpark will attempt to
> release the session as best it can before the Python process exits.
>
>
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