Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4412#discussion_r24246142
--- Diff: core/src/main/scala/org/apache/spark/SparkEnv.scala ---
@@ -93,6 +93,14 @@ class SparkEnv (
// actorSystem.awaitTermination()
// Note that blockTransferService is stopped by BlockManager since it
is started by it.
+
+ // If we only stop sc, but the driver process still run as a services
then we need to delete
+ // the tmp dir, if not, it will create too many tmp dirs
+ try {
+ Utils.deleteRecursively(new File(sparkFilesDir))
--- End diff --
I'm not sure this one is safe. Looking at the code, `sparkFilesDir` will be
the current working directory on executors. Is that really safe to delete
recursively?
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