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Posted to issues@spark.apache.org by "angerszhu (JIRA)" <ji...@apache.org> on 2019/06/02 02:07:00 UTC

[jira] [Created] (SPARK-27916) SparkThreatServer memory leak

angerszhu created SPARK-27916:
---------------------------------

             Summary: SparkThreatServer memory leak
                 Key: SPARK-27916
                 URL: https://issues.apache.org/jira/browse/SPARK-27916
             Project: Spark
          Issue Type: Bug
          Components: SQL
    Affects Versions: 2.4.0, 2.3.0
            Reporter: angerszhu


When we use SparkThriftServer, when set config 

spark.sql.hive.thriftServer.singleSession =  true

Each client session will create a SparkSession Object, but this InheritThreadLocal Object will not be released since when we call SparkSession.sql(), It just call ThreadLocal's set method. This make SparkSession Object remained in JVM, not cleared

 



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