holdenk commented on a change in pull request #26440: [SPARK-20628][CORE][K8S]
Start to improve Spark decommissioning & preemption support
URL: https://github.com/apache/spark/pull/26440#discussion_r365448174
##########
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:
So I'm not seeing how this might be an issue and I want to make sure I
understand. Whats the exact situation where you think it would go bad/why?
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