Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4412#discussion_r24399263
--- Diff: core/src/main/scala/org/apache/spark/SparkEnv.scala ---
@@ -367,6 +385,13 @@ object SparkEnv extends Logging {
metricsSystem,
shuffleMemoryManager,
conf)
+
+ // Add a reference to tmp dir created by driver
+ if (isDriver) {
--- End diff --
Might call out why this is linked to the `isDriver` logic above for future
readers. @JoshRosen thoughts now?
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