/// <summary>Validate killing an application when it is at accepted state.</summary>
/// <exception cref="System.Exception">exception</exception>
public virtual void TestApplicationKillAtAcceptedState()
{
Dispatcher dispatcher = new _AsyncDispatcher_573();
MockRM rm = new _MockRM_596(dispatcher, conf);
// test metrics
QueueMetrics metrics = rm.GetResourceScheduler().GetRootQueueMetrics();
int appsKilled = metrics.GetAppsKilled();
int appsSubmitted = metrics.GetAppsSubmitted();
rm.Start();
MockNM nm1 = new MockNM("127.0.0.1:1234", 15120, rm.GetResourceTrackerService());
nm1.RegisterNode();
// a failed app
RMApp application = rm.SubmitApp(200);
MockAM am = MockRM.LaunchAM(application, rm, nm1);
am.WaitForState(RMAppAttemptState.Launched);
nm1.NodeHeartbeat(am.GetApplicationAttemptId(), 1, ContainerState.Running);
rm.WaitForState(application.GetApplicationId(), RMAppState.Accepted);
// Now kill the application before new attempt is launched, the app report
// returns the invalid AM host and port.
KillApplicationRequest request = KillApplicationRequest.NewInstance(application.GetApplicationId
());
rm.GetClientRMService().ForceKillApplication(request);
// Specific test for YARN-1689 follows
// Now let's say a race causes AM to register now. This should not crash RM.
am.RegisterAppAttempt(false);
// We explicitly intercepted the kill-event to RMAppAttempt, so app should
// still be in KILLING state.
rm.WaitForState(application.GetApplicationId(), RMAppState.Killing);
// AM should now be in running
rm.WaitForState(am.GetApplicationAttemptId(), RMAppAttemptState.Running);
// Simulate that appAttempt is killed.
rm.GetRMContext().GetDispatcher().GetEventHandler().Handle(new RMAppEvent(application
.GetApplicationId(), RMAppEventType.AttemptKilled));
rm.WaitForState(application.GetApplicationId(), RMAppState.Killed);
// test metrics
metrics = rm.GetResourceScheduler().GetRootQueueMetrics();
NUnit.Framework.Assert.AreEqual(appsKilled + 1, metrics.GetAppsKilled());
NUnit.Framework.Assert.AreEqual(appsSubmitted + 1, metrics.GetAppsSubmitted());
}
internal _T946821583(_AsyncDispatcher_573 _enclosing)
{
this._enclosing = _enclosing;
}
