Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/2729#discussion_r18630676
--- Diff: core/src/main/scala/org/apache/spark/util/Utils.scala ---
@@ -233,7 +233,11 @@ private[spark] object Utils extends Logging {
}
/** Create a temporary directory inside the given parent directory */
- def createTempDir(root: String = System.getProperty("java.io.tmpdir")):
File = {
+ def createTempDir(): File = {
+ val root: String = SparkEnv.get.conf.contains("spark.tmp.dir") match {
--- End diff --
PS this can all be one line if you set the default value to `...
.get("spark.tmp.dir", System.getProperty("java.io.tmpdir"))`
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