yaooqinn commented on code in PR #2435:
URL: https://github.com/apache/incubator-kyuubi/pull/2435#discussion_r855722489
##########
externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/session/SparkSQLSessionManager.scala:
##########
@@ -50,6 +53,39 @@ class SparkSQLSessionManager private (name: String, spark:
SparkSession)
val operationManager = new SparkSQLOperationManager()
private lazy val singleSparkSession = conf.get(ENGINE_SINGLE_SPARK_SESSION)
+ private lazy val shareLevel =
ShareLevel.withName(conf.get(ENGINE_SHARE_LEVEL))
+
+ private lazy val userIsolatedSparkSession =
conf.get(ENGINE_USER_ISOLATED_SPARK_SESSION)
+ private lazy val userIsolatedSparkSessionCache = new
ConcurrentHashMap[String, SparkSession]()
+
+ private def getOrNewSparkSession(user: String): SparkSession = {
+ if (singleSparkSession) {
+ spark
+ } else {
+ shareLevel match {
+ // it's unnecessary to create a new spark session in connection share
level
+ // since the session is only one
+ case CONNECTION => spark
+ case USER => newSparkSession(spark)
+ case GROUP | SERVER if userIsolatedSparkSession =>
+ if (userIsolatedSparkSessionCache.containsKey(user)) {
+ userIsolatedSparkSessionCache.get(user)
+ } else {
+ val newSession = newSparkSession(spark)
+ userIsolatedSparkSessionCache.put(user, newSession)
+ newSession
+ }
+ case GROUP | SERVER => newSparkSession(spark)
+ case _ => throw new IllegalStateException(s"Unrecognized share level:
$shareLevel")
Review Comment:
this is unnecessary
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
---------------------------------------------------------------------
To unsubscribe, e-mail: [email protected]
For additional commands, e-mail: [email protected]
