Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/16189#discussion_r91379426
--- Diff: core/src/main/scala/org/apache/spark/executor/Executor.scala ---
@@ -161,12 +163,7 @@ private[spark] class Executor(
* @param interruptThread whether to interrupt the task thread
*/
def killAllTasks(interruptThread: Boolean) : Unit = {
- // kill all the running tasks
- for (taskRunner <- runningTasks.values().asScala) {
- if (taskRunner != null) {
- taskRunner.kill(interruptThread)
- }
- }
+ runningTasks.keys().asScala.foreach(t => killTask(t, interruptThread =
interruptThread))
--- End diff --
One corner-case that I just thought of: what should happen if the first
call to `killTask` sets `interruptThread = false` and the second call sets it
to true? If we used a loading cache naively then we would miss the second call.
Instead, it might make sense to have the loading cache key be a tuple of `(tid,
interrupt)`.
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