risyomei commented on code in PR #5002:
URL: https://github.com/apache/kyuubi/pull/5002#discussion_r1248813072
##########
externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala:
##########
@@ -114,6 +127,29 @@ case class SparkSQLEngine(spark: SparkSession) extends
Serverable("SparkSQLEngin
stopEngineExec.get.execute(stopTask)
}
+ private[kyuubi] def startFastFailChecker(): Unit = {
+ val interval = conf.get(ENGINE_CHECK_INTERVAL)
+ val timeout = conf.get(ENGINE_SPARK_MAX_INITIAL_WAIT)
+ val failFastCheck: Runnable = () => {
+ if (!shutdown.get) {
+ while (backendService.sessionManager.getOpenSessionCount <= 0 &&
+ System.currentTimeMillis() - getStartTime < timeout) {
+ info(s"Waiting for the initial connection")
+ Thread.sleep(interval)
+ }
+ if (backendService.sessionManager.getOpenSessionCount <= 0) {
+ error(s"Spark engine has been terminated because no incoming
connection" +
+ s" for more than $timeout ms, de-registering from engine discovery
space.")
+ assert(currentEngine.isDefined)
+ currentEngine.get.stop()
+ }
+ }
+ }
+ failfastChecker =
+ Some(ThreadUtils.newDaemonFixedThreadPool(1,
"spark-engine-failfast-checker"))
Review Comment:
Got it, let me fix it.
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