yaooqinn commented on code in PR #2364:
URL: https://github.com/apache/incubator-kyuubi/pull/2364#discussion_r851840012
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kyuubi-server/src/main/scala/org/apache/kyuubi/session/KyuubiSessionManager.scala:
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@@ -43,10 +43,13 @@ class KyuubiSessionManager private (name: String) extends
SessionManager(name) {
// this lazy is must be specified since the conf is null when the class
initialization
lazy val sessionConfAdvisor: SessionConfAdvisor =
PluginLoader.loadSessionConfAdvisor(conf)
+ @volatile private var limiter: Option[SessionLimiter] = None
Review Comment:
volatile necessary？
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