vanzin commented on a change in pull request #25964: [SPARK-29287][Core] Add
ExecutorConstructed message to tell driver which executor is ready for making
offers
URL: https://github.com/apache/spark/pull/25964#discussion_r344413982
##########
File path:
core/src/main/scala/org/apache/spark/scheduler/cluster/CoarseGrainedSchedulerBackend.scala
##########
@@ -186,6 +186,11 @@ class CoarseGrainedSchedulerBackend(scheduler:
TaskSchedulerImpl, val rpcEnv: Rp
// automatically, so try to tell the executor to stop itself. See
SPARK-13519.
executorDataMap.get(executorId).foreach(_.executorEndpoint.send(StopExecutor))
removeExecutor(executorId, reason)
+
+ case ExecutorConstructed(executorId) =>
+ executorDataMap.get(executorId).foreach { data =>
+ data.freeCores = data.totalCores
+ }
Review comment:
Don't you need to call `makeOffers(executorId)` to have the executor get
tasks right away, instead of waiting for other events to trigger that?
Simiarly, the old "register" message handler does not need to call
`makeOffers` anymore.
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