[GitHub] [spark] LantaoJin commented on a change in pull request #21613: [SPARK-24629][SQL]thrift server memory leaks when Beeline session is closed

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LantaoJin commented on a change in pull request #21613: [SPARK-24629][SQL]thrift server memory leaks when Beeline session is closed
URL: https://github.com/apache/spark/pull/21613#discussion_r273935320
 
 

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 File path: sql/hive-thriftserver/src/main/scala/org/apache/spark/sql/hive/thriftserver/HiveThriftServer2.scala
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 @@ -167,6 +167,7 @@ object HiveThriftServer2 extends Logging {
     private var onlineSessionNum: Int = 0
     private val sessionList = new mutable.LinkedHashMap[String, SessionInfo]
     private val executionList = new mutable.LinkedHashMap[String, ExecutionInfo]
+    private val runningStatement = new mutable.LinkedHashMap[String, mutable.Set[String]]
 
 Review comment:
   nit: runningStatements

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