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https://issues.apache.org/jira/browse/HIVE-8959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14224497#comment-14224497
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Xuefu Zhang commented on HIVE-8959:
-----------------------------------
+1
> SparkSession is not closed until JVM exit.[Spark Branch]
> --------------------------------------------------------
>
> Key: HIVE-8959
> URL: https://issues.apache.org/jira/browse/HIVE-8959
> Project: Hive
> Issue Type: Sub-task
> Components: Spark
> Reporter: Chengxiang Li
> Assignee: Chengxiang Li
> Labels: Spark-M3
> Attachments: HIVE-8959.1-spark.patch
>
>
> During unit test, SparkSession is closed by Runtime shutdownHook, which means
> it's closed until JVM exist. During unit test suite, each qfile, as a single
> test case, would reset SessionState, which lead to a new Sparksession is
> created for each qfile. As we know that, RemoteSparkClient is SparkSession
> specified, so more and more executors is launched during unit test until
> blocked by no more resources.
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