Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/8714#discussion_r39254806
--- Diff: core/src/main/scala/org/apache/spark/deploy/master/Master.scala
---
@@ -278,9 +278,24 @@ private[deploy] class Master(
execOption match {
case Some(exec) => {
val appInfo = idToApp(appId)
+ val oldState = exec.state
exec.state = state
- if (state == ExecutorState.RUNNING) { appInfo.resetRetryCount() }
+
+ if (state == ExecutorState.RUNNING) {
+ assert(oldState == ExecutorState.LOADING,
+ s"executor $execId state transfer from $oldState to RUNNING
is illegal")
+ appInfo.resetRetryCount()
+ }
+
exec.application.driver.send(ExecutorUpdated(execId, state,
message, exitStatus))
+
+ if (state == ExecutorState.LOADING) {
+ assert(oldState == ExecutorState.LAUNCHING,
+ s"executor $execId state transfer from $oldState to LOADING
is illegal")
+ exec.application.driver.send(
--- End diff --
Nice, so the driver only is told that the executor is running once the
master thinks it is now?
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