Github user JoshRosen commented on a diff in the pull request:
https://github.com/apache/spark/pull/15986#discussion_r89417935
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/TaskSchedulerImpl.scala ---
@@ -335,31 +337,31 @@ private[spark] class TaskSchedulerImpl(
var reason: Option[ExecutorLossReason] = None
synchronized {
try {
- if (state == TaskState.LOST && taskIdToExecutorId.contains(tid)) {
- // We lost this entire executor, so remember that it's gone
- val execId = taskIdToExecutorId(tid)
-
- if (executorIdToTaskCount.contains(execId)) {
--- End diff --
Actually, we might want to keep this in case the Mesos scheduler sends us
duplicate task failure events so that we don't try to remove an already-removed
executor. I'll put this back in with an explanatory comment in my next commit.
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