Github user pwendell commented on a diff in the pull request:
https://github.com/apache/spark/pull/246#discussion_r11426135
--- Diff: core/src/main/scala/org/apache/spark/ui/SparkUI.scala ---
@@ -46,6 +46,7 @@ private[spark] class SparkUI(
val live = sc != null
val securityManager = if (live) sc.env.securityManager else new
SecurityManager(conf)
+ val killEnabled = conf.get("spark.ui.killEnabled", "false").toBoolean
--- End diff --
maybe make this enabled by default? This is a cool feature. Also I think
you can use `conf.getBoolean` here to have better type safety.
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