Github user squito commented on a diff in the pull request:
https://github.com/apache/spark/pull/16650#discussion_r99664044
--- Diff:
core/src/test/scala/org/apache/spark/deploy/StandaloneDynamicAllocationSuite.scala
---
@@ -467,6 +469,52 @@ class StandaloneDynamicAllocationSuite
}
}
+ test("kill all executors on localhost") {
+ sc = new SparkContext(appConf)
+ val appId = sc.applicationId
+ eventually(timeout(10.seconds), interval(10.millis)) {
+ val apps = getApplications()
+ assert(apps.size === 1)
+ assert(apps.head.id === appId)
+ assert(apps.head.executors.size === 2)
+ assert(apps.head.getExecutorLimit === Int.MaxValue)
+ }
+ val beforeList = getApplications().head.executors.keys.toSet
+ assert(killExecutorsOnHost(sc, "localhost").equals(true))
+
+ syncExecutors(sc)
+ val afterList = getApplications().head.executors.keys.toSet
+
+ eventually(timeout(10.seconds), interval(100.millis)) {
+ assert(beforeList.intersect(afterList).size == 0)
+ }
+ }
+
+ test("executor registration on a blacklisted host must fail") {
+ sc = new SparkContext(appConf.set(config.BLACKLIST_ENABLED.key,
"true"))
+ val endpointRef = mock(classOf[RpcEndpointRef])
+ val mockAddress = mock(classOf[RpcAddress])
+ when(endpointRef.address).thenReturn(mockAddress)
+ val message = RegisterExecutor("one", endpointRef, "blacklisted-host",
10, Map.empty)
+
+ // Get "localhost" on a blacklist.
+ val taskScheduler = mock(classOf[TaskSchedulerImpl])
+ when(taskScheduler.nodeBlacklist()).thenReturn(Set("blacklisted-host"))
+ when(taskScheduler.sc).thenReturn(sc)
+ sc.taskScheduler = taskScheduler
+
+ // Create a fresh scheduler backend to blacklist "localhost".
+ sc.schedulerBackend.stop()
+ val backend =
+ new StandaloneSchedulerBackend(taskScheduler, sc,
Array(masterRpcEnv.address.toSparkURL))
--- End diff --
super nit: looks like this is only indented one space, not two
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