Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/4412#discussion_r24399228
--- Diff: core/src/main/scala/org/apache/spark/SparkEnv.scala ---
@@ -76,6 +76,8 @@ class SparkEnv (
// (e.g., HadoopFileRDD uses this to cache JobConfs and InputFormats).
private[spark] val hadoopJobMetadata = new
MapMaker().softValues().makeMap[String, Any]()
+ private var tmpFilesDir: Option[String] = None
--- End diff --
Yeah this looks good. Maybe call it `driverTmpDirToDelete` or something to
be extra clear?
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