turboFei commented on code in PR #2295:
URL: https://github.com/apache/incubator-kyuubi/pull/2295#discussion_r846075175
##########
externals/kyuubi-spark-sql-engine/src/main/scala/org/apache/kyuubi/engine/spark/SparkSQLEngine.scala:
##########
@@ -64,11 +71,53 @@ case class SparkSQLEngine(spark: SparkSession) extends
Serverable("SparkSQLEngin
assert(currentEngine.isDefined)
currentEngine.get.stop()
})
+
+ startLifetimeTerminatingChecker(() => {
+ assert(currentEngine.isDefined)
+ currentEngine.get.stop()
+ })
+ }
+
+ override def stop(): Unit = synchronized {
+ super.stop()
+
+ shutdown = true
+ val shutdownTimeout = conf.get(ENGINE_EXEC_POOL_SHUTDOWN_TIMEOUT)
+ ThreadUtils.shutdown(lifetimeTerminatingChecker, Duration(shutdownTimeout,
TimeUnit.MILLISECONDS))
}
override protected def stopServer(): Unit = {
countDownLatch.countDown()
}
+
+ private[kyuubi] def startLifetimeTerminatingChecker(stop: () => Unit): Unit
= {
+ val interval = conf.get(ENGINE_CHECK_INTERVAL)
+ val maxLifetime = conf.get(ENGINE_SPARK_MAX_LIFETIME)
+ if (maxLifetime > 0) {
+ val checkTask = new Runnable {
+ override def run(): Unit = {
+ if (!shutdown && System.currentTimeMillis() - getStartTime >
maxLifetime) {
+ if (!deregistered) {
+ info(s"Spark engine has been running for more than $maxLifetime
ms," +
+ s"deregistering from engine discovery space.")
Review Comment:
nit:
```
s" deregistering
```
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