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https://issues.apache.org/jira/browse/SPARK-34087?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Fu Chen updated SPARK-34087:
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> a memory leak occurs when we clone the spark session
> ----------------------------------------------------
>
>                 Key: SPARK-34087
>                 URL: https://issues.apache.org/jira/browse/SPARK-34087
>             Project: Spark
>          Issue Type: Bug
>          Components: Spark Core
>    Affects Versions: 3.0.1
>            Reporter: Fu Chen
>            Priority: Major
>
> In Spark-3.0.1, the memory leak occurs when we keep cloning the spark session 
> because a new ExecutionListenerBus instance will add to AsyncEventQueue when 
> we clone a new session.



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