Github user vanzin commented on a diff in the pull request: https://github.com/apache/spark/pull/20604#discussion_r169421040 --- Diff: core/src/main/scala/org/apache/spark/SparkContext.scala --- @@ -1643,7 +1646,10 @@ class SparkContext(config: SparkConf) extends Logging { def killExecutors(executorIds: Seq[String]): Boolean = { schedulerBackend match { case b: ExecutorAllocationClient => - b.killExecutors(executorIds, replace = false, force = true).nonEmpty + require(executorAllocationManager.isEmpty, --- End diff -- This is a developer api, so probably ok, but this is a change in behavior. Is it just not possible to support this with dynamic allocation?
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