Github user jsoltren commented on a diff in the pull request: https://github.com/apache/spark/pull/16650#discussion_r98082949 --- Diff: core/src/test/scala/org/apache/spark/deploy/StandaloneDynamicAllocationSuite.scala --- @@ -528,6 +548,16 @@ class StandaloneDynamicAllocationSuite } } + /** Kill the executors on a given host. */ + private def killExecutorsOnHost(sc: SparkContext, host: String): Boolean = { + syncExecutors(sc) + sc.schedulerBackend match { + case b: CoarseGrainedSchedulerBackend => + b.killExecutorsOnHost(host, false) --- End diff -- Yes, the test was the sole reason for exposing replace, so it can be removed. I was having some issues with .keySet earlier, and, we do need to `syncExecutors(sc)` after killing to pass the test. I'm keeping the `eventually` block since killing happens asynchronously.
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