Github user jsoltren commented on a diff in the pull request:
https://github.com/apache/spark/pull/16650#discussion_r98079880
--- Diff:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
---
@@ -148,6 +153,12 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
if (executorDataMap.contains(executorId)) {
executorRef.send(RegisterExecutorFailed("Duplicate executor ID:
" + executorId))
context.reply(true)
+ } else if (scheduler.nodeBlacklist != null &&
+ scheduler.nodeBlacklist.contains(executorId)) {
+ // Handle a race where the cluster manager finishes creating an
executor, just after
+ // the executor is blacklisted and just before it is possibly
killed.
+ executorRef.send(RegisterExecutorFailed("Executor is
blacklisted: " + executorId))
+ context.reply(true)
--- End diff --
Sure.
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