Github user tgravescs commented on a diff in the pull request: https://github.com/apache/spark/pull/12123#discussion_r58426632 --- Diff: core/src/main/scala/org/apache/spark/ui/SparkUI.scala --- @@ -58,6 +58,7 @@ private[spark] class SparkUI private ( val killEnabled = sc.map(_.conf.getBoolean("spark.ui.killEnabled", true)).getOrElse(false) + val userName = System.getProperty("user.name", "<unknown>") --- End diff -- the user is already set in sc.sparkUser we should use that.
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