Github user tedyu commented on a diff in the pull request:
https://github.com/apache/flink/pull/3981#discussion_r118304278
--- Diff:
flink-yarn/src/main/scala/org/apache/flink/yarn/YarnJobManager.scala ---
@@ -89,5 +92,37 @@ class YarnJobManager(
flinkConfiguration.getInteger(ConfigConstants.YARN_HEARTBEAT_DELAY_SECONDS, 5),
TimeUnit.SECONDS)
+ val yarnFilesPath: Option[String] =
Option(System.getenv().get(YarnConfigKeys.FLINK_YARN_FILES))
+
override val jobPollingInterval = YARN_HEARTBEAT_DELAY
+
+ override def handleMessage: Receive = {
+ handleYarnShutdown orElse super.handleMessage
+ }
+
+ def handleYarnShutdown: Receive = {
+ case msg:StopCluster =>
+ super.handleMessage(msg)
+
+ // do global cleanup if the yarn files path has been set
+ yarnFilesPath match {
+ case Some(filePath) =>
+ log.info(s"Deleting yarn application files under $filePath.")
+
+ val path = new Path(filePath)
+
+ try {
+ val fs = path.getFileSystem
+ fs.delete(path, true)
--- End diff --
Please check the return value from delete() call
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