holdenk 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_r344395443
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File path:
core/src/main/scala/org/apache/spark/executor/CoarseGrainedExecutorBackend.scala
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@@ -71,6 +72,9 @@ private[spark] class CoarseGrainedExecutorBackend(
private[executor] val taskResources = new mutable.HashMap[Long, Map[String,
ResourceInformation]]
override def onStart(): Unit = {
+ logInfo("Registering PWR handler.")
+ SignalUtils.register("PWR")(decommissionSelf)
Review comment:
That's a good point. Right now we register SIGPWR regardless, but we only
really need it on K8s & stand alone. Do you think there is any harm in having
SIGPWR registered in YARN deployments?
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