vanzin commented on a change in pull request #26440:
[WIP][SPARK-20628][CORE][K8S] Start to improve Spark decommissioning &
preemption support
URL: https://github.com/apache/spark/pull/26440#discussion_r363474668
##########
File path:
resource-managers/kubernetes/core/src/main/scala/org/apache/spark/deploy/k8s/features/BasicExecutorFeatureStep.scala
##########
@@ -192,6 +193,21 @@ private[spark] class BasicExecutorFeatureStep(
.endResources()
.build()
}.getOrElse(executorContainer)
+ val containerWithLifecycle = kubernetesConf.workerDecommissioning match {
+ case false =>
+ logInfo("Decommissioning not enabled, skipping shutdown script")
+ containerWithLimitCores
+ case true =>
+ logInfo("Adding decommission script to lifecycle")
+ new ContainerBuilder(containerWithLimitCores).withNewLifecycle()
+ .withNewPreStop()
Review comment:
Will this get triggered when Spark itself stops the executor (i.e. when you
turn on dynamic allocation)? Does the code behave as it should in that case?
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