tgravescs commented on a change in pull request #26440:
[WIP][SPARK-20628][CORE] Start to improve Spark decommissioning & preemption
support
URL: https://github.com/apache/spark/pull/26440#discussion_r344378043
##########
File path: core/src/main/scala/org/apache/spark/deploy/master/Master.scala
##########
@@ -243,6 +243,15 @@ private[deploy] class Master(
logError("Leadership has been revoked -- master shutting down.")
System.exit(0)
+ case WorkerDecommission(id, workerRef) =>
+ logInfo("Recording worker %s decommissioning".format(id))
+ if (state == RecoveryState.STANDBY) {
+ workerRef.send(MasterInStandby)
+ } else {
+ // If a worker attempts to decommission that isn't registered ignore
it.
+ idToWorker.get(id).foreach(decommissionWorker)
Review comment:
might want to have a getOrElse or make sure idToWorker contains id in case
something else timed out the worker between when message sent and when
processed.
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