Github user kayousterhout commented on a diff in the pull request: https://github.com/apache/spark/pull/17166#discussion_r107528253 --- Diff: core/src/main/scala/org/apache/spark/TaskContextImpl.scala --- @@ -59,8 +59,8 @@ private[spark] class TaskContextImpl( /** List of callback functions to execute when the task fails. */ @transient private val onFailureCallbacks = new ArrayBuffer[TaskFailureListener] - // Whether the corresponding task has been killed. - @volatile private var interrupted: Boolean = false + // If defined, the corresponding task has been killed for the contained reason. + @volatile private var maybeKillReason: Option[String] = None --- End diff -- How about calling this `reasonIfKilled`, here and elsewhere? (if you strongly prefer the existing name find to leave as-is -- I just slightly prefer making it somewhat more obvious that this and the fact that the task has been killed are tightly intertwined). In any case, can you expand the comment a bit to one you used below: "If specified, this task has been killed and this option contains the reason."
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