Examples with AbstractEvent org.apache.hadoop.yarn.event.AbstractEvent used on opensource projects

Example 1 with AbstractEvent

use of org.apache.hadoop.yarn.event.AbstractEvent in project hadoop by apache.

the class TestRM method testApplicationKillAtAcceptedState.

/**
   * Validate killing an application when it is at accepted state.
   * @throws Exception exception
   */
@Test(timeout = 60000)
public void testApplicationKillAtAcceptedState() throws Exception {
    final Dispatcher dispatcher = new DrainDispatcher() {

        @Override
        public EventHandler<Event> getEventHandler() {
            class EventArgMatcher extends ArgumentMatcher<AbstractEvent> {

                @Override
                public boolean matches(Object argument) {
                    if (argument instanceof RMAppAttemptEvent) {
                        if (((RMAppAttemptEvent) argument).getType().equals(RMAppAttemptEventType.KILL)) {
                            return true;
                        }
                    }
                    return false;
                }
            }
            EventHandler handler = spy(super.getEventHandler());
            doNothing().when(handler).handle(argThat(new EventArgMatcher()));
            return handler;
        }
    };
    MockRM rm = new MockRM(conf) {

        @Override
        protected Dispatcher createDispatcher() {
            return dispatcher;
        }
    };
    // 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);
    rm.waitForState(am.getApplicationAttemptId(), 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.ATTEMPT_KILLED));
    rm.waitForState(application.getApplicationId(), RMAppState.KILLED);
    // test metrics
    metrics = rm.getResourceScheduler().getRootQueueMetrics();
    Assert.assertEquals(appsKilled + 1, metrics.getAppsKilled());
    Assert.assertEquals(appsSubmitted + 1, metrics.getAppsSubmitted());
}

Example 2 with AbstractEvent

use of org.apache.hadoop.yarn.event.AbstractEvent in project hadoop by apache.

the class TestRM method testKillFinishingApp.

// Test Kill an app while the app is finishing in the meanwhile.
@Test(timeout = 30000)
public void testKillFinishingApp() throws Exception {
    // this dispatcher ignores RMAppAttemptEventType.KILL event
    final Dispatcher dispatcher = new DrainDispatcher() {

        @Override
        public EventHandler<Event> getEventHandler() {
            class EventArgMatcher extends ArgumentMatcher<AbstractEvent> {

                @Override
                public boolean matches(Object argument) {
                    if (argument instanceof RMAppAttemptEvent) {
                        if (((RMAppAttemptEvent) argument).getType().equals(RMAppAttemptEventType.KILL)) {
                            return true;
                        }
                    }
                    return false;
                }
            }
            EventHandler handler = spy(super.getEventHandler());
            doNothing().when(handler).handle(argThat(new EventArgMatcher()));
            return handler;
        }
    };
    MockRM rm1 = new MockRM(conf) {

        @Override
        protected Dispatcher createDispatcher() {
            return dispatcher;
        }
    };
    rm1.start();
    MockNM nm1 = new MockNM("127.0.0.1:1234", 8192, rm1.getResourceTrackerService());
    nm1.registerNode();
    RMApp app1 = rm1.submitApp(200);
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    rm1.killApp(app1.getApplicationId());
    FinishApplicationMasterRequest req = FinishApplicationMasterRequest.newInstance(FinalApplicationStatus.SUCCEEDED, "", "");
    am1.unregisterAppAttempt(req, true);
    rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FINISHING);
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FINISHED);
    rm1.waitForState(app1.getApplicationId(), RMAppState.FINISHED);
}

Example 3 with AbstractEvent

use of org.apache.hadoop.yarn.event.AbstractEvent in project hadoop by apache.

the class TestNodesListManager method getDispatcher.

/*
   * Create dispatcher object
   */
private Dispatcher getDispatcher() {
    Dispatcher dispatcher = new DrainDispatcher() {

        @SuppressWarnings({ "rawtypes", "unchecked" })
        @Override
        public EventHandler<Event> getEventHandler() {
            class EventArgMatcher extends ArgumentMatcher<AbstractEvent> {

                @Override
                public boolean matches(Object argument) {
                    if (argument instanceof RMAppNodeUpdateEvent) {
                        ApplicationId appid = ((RMAppNodeUpdateEvent) argument).getApplicationId();
                        applist.add(appid);
                    }
                    return false;
                }
            }
            EventHandler handler = spy(super.getEventHandler());
            doNothing().when(handler).handle(argThat(new EventArgMatcher()));
            return handler;
        }
    };
    return dispatcher;
}

Example 4 with AbstractEvent

use of org.apache.hadoop.yarn.event.AbstractEvent in project hadoop by apache.

the class TestRM method testKillFailingApp.

// Test Kill an app while the app is failing
@Test(timeout = 30000)
public void testKillFailingApp() throws Exception {
    // this dispatcher ignores RMAppAttemptEventType.KILL event
    final Dispatcher dispatcher = new DrainDispatcher() {

        @Override
        public EventHandler<Event> getEventHandler() {
            class EventArgMatcher extends ArgumentMatcher<AbstractEvent> {

                @Override
                public boolean matches(Object argument) {
                    if (argument instanceof RMAppAttemptEvent) {
                        if (((RMAppAttemptEvent) argument).getType().equals(RMAppAttemptEventType.KILL)) {
                            return true;
                        }
                    }
                    return false;
                }
            }
            EventHandler handler = spy(super.getEventHandler());
            doNothing().when(handler).handle(argThat(new EventArgMatcher()));
            return handler;
        }
    };
    MockRM rm1 = new MockRM(conf) {

        @Override
        protected Dispatcher createDispatcher() {
            return dispatcher;
        }
    };
    rm1.start();
    MockNM nm1 = new MockNM("127.0.0.1:1234", 8192, rm1.getResourceTrackerService());
    nm1.registerNode();
    RMApp app1 = rm1.submitApp(200);
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    rm1.killApp(app1.getApplicationId());
    // fail the app by sending container_finished event.
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED);
    // app is killed, not launching a new attempt
    rm1.waitForState(app1.getApplicationId(), RMAppState.KILLED);
}