Examples with AbstractYarnScheduler org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler used on opensource projects

Example 1 with AbstractYarnScheduler

use of org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler in project hadoop by apache.

the class TestWorkPreservingRMRestart method testDynamicQueueRecovery.

// Test work preserving recovery of apps running under reservation.
// This involves:
// 1. Setting up a dynamic reservable queue,
// 2. Submitting an app to it,
// 3. Failing over RM,
// 4. Validating that the app is recovered post failover,
// 5. Check if all running containers are recovered,
// 6. Verify the scheduler state like attempt info,
// 7. Verify the queue/user metrics for the dynamic reservable queue.
@Test(timeout = 30000)
public void testDynamicQueueRecovery() throws Exception {
    conf.setBoolean(CapacitySchedulerConfiguration.ENABLE_USER_METRICS, true);
    conf.set(CapacitySchedulerConfiguration.RESOURCE_CALCULATOR_CLASS, DominantResourceCalculator.class.getName());
    // 1. Set up dynamic reservable queue.
    Configuration schedulerConf = getSchedulerDynamicConfiguration();
    int containerMemory = 1024;
    Resource containerResource = Resource.newInstance(containerMemory, 1);
    MemoryRMStateStore memStore = new MemoryRMStateStore();
    memStore.init(schedulerConf);
    rm1 = new MockRM(schedulerConf, memStore);
    rm1.start();
    MockNM nm1 = new MockNM("127.0.0.1:1234", 8192, rm1.getResourceTrackerService());
    nm1.registerNode();
    // 2. Run plan follower to update the added node & then submit app to
    // dynamic queue.
    rm1.getRMContext().getReservationSystem().synchronizePlan(ReservationSystemTestUtil.reservationQ, true);
    RMApp app1 = rm1.submitApp(200, "dynamicQApp", UserGroupInformation.getCurrentUser().getShortUserName(), null, ReservationSystemTestUtil.getReservationQueueName());
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    // clear queue metrics
    rm1.clearQueueMetrics(app1);
    // 3. Fail over (restart) RM.
    rm2 = new MockRM(schedulerConf, memStore);
    rm2.start();
    nm1.setResourceTrackerService(rm2.getResourceTrackerService());
    // 4. Validate app is recovered post failover.
    RMApp recoveredApp1 = rm2.getRMContext().getRMApps().get(app1.getApplicationId());
    RMAppAttempt loadedAttempt1 = recoveredApp1.getCurrentAppAttempt();
    NMContainerStatus amContainer = TestRMRestart.createNMContainerStatus(am1.getApplicationAttemptId(), 1, ContainerState.RUNNING);
    NMContainerStatus runningContainer = TestRMRestart.createNMContainerStatus(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    NMContainerStatus completedContainer = TestRMRestart.createNMContainerStatus(am1.getApplicationAttemptId(), 3, ContainerState.COMPLETE);
    nm1.registerNode(Arrays.asList(amContainer, runningContainer, completedContainer), null);
    // Wait for RM to settle down on recovering containers.
    waitForNumContainersToRecover(2, rm2, am1.getApplicationAttemptId());
    Set<ContainerId> launchedContainers = ((RMNodeImpl) rm2.getRMContext().getRMNodes().get(nm1.getNodeId())).getLaunchedContainers();
    assertTrue(launchedContainers.contains(amContainer.getContainerId()));
    assertTrue(launchedContainers.contains(runningContainer.getContainerId()));
    // 5. Check RMContainers are re-recreated and the container state is
    // correct.
    rm2.waitForState(nm1, amContainer.getContainerId(), RMContainerState.RUNNING);
    rm2.waitForState(nm1, runningContainer.getContainerId(), RMContainerState.RUNNING);
    rm2.waitForContainerToComplete(loadedAttempt1, completedContainer);
    AbstractYarnScheduler scheduler = (AbstractYarnScheduler) rm2.getResourceScheduler();
    SchedulerNode schedulerNode1 = scheduler.getSchedulerNode(nm1.getNodeId());
    // ********* check scheduler node state.*******
    // 2 running containers.
    Resource usedResources = Resources.multiply(containerResource, 2);
    Resource nmResource = Resource.newInstance(nm1.getMemory(), nm1.getvCores());
    assertTrue(schedulerNode1.isValidContainer(amContainer.getContainerId()));
    assertTrue(schedulerNode1.isValidContainer(runningContainer.getContainerId()));
    assertFalse(schedulerNode1.isValidContainer(completedContainer.getContainerId()));
    // 2 launched containers, 1 completed container
    assertEquals(2, schedulerNode1.getNumContainers());
    assertEquals(Resources.subtract(nmResource, usedResources), schedulerNode1.getUnallocatedResource());
    assertEquals(usedResources, schedulerNode1.getAllocatedResource());
    Resource availableResources = Resources.subtract(nmResource, usedResources);
    // 6. Verify the scheduler state like attempt info.
    Map<ApplicationId, SchedulerApplication<SchedulerApplicationAttempt>> sa = ((AbstractYarnScheduler) rm2.getResourceScheduler()).getSchedulerApplications();
    SchedulerApplication<SchedulerApplicationAttempt> schedulerApp = sa.get(recoveredApp1.getApplicationId());
    // 7. Verify the queue/user metrics for the dynamic reservable queue.
    if (getSchedulerType() == SchedulerType.CAPACITY) {
        checkCSQueue(rm2, schedulerApp, nmResource, nmResource, usedResources, 2);
    } else {
        checkFSQueue(rm2, schedulerApp, usedResources, availableResources);
    }
    // *********** check scheduler attempt state.********
    SchedulerApplicationAttempt schedulerAttempt = schedulerApp.getCurrentAppAttempt();
    assertTrue(schedulerAttempt.getLiveContainers().contains(scheduler.getRMContainer(amContainer.getContainerId())));
    assertTrue(schedulerAttempt.getLiveContainers().contains(scheduler.getRMContainer(runningContainer.getContainerId())));
    assertEquals(schedulerAttempt.getCurrentConsumption(), usedResources);
    // *********** check appSchedulingInfo state ***********
    assertEquals((1L << 40) + 1L, schedulerAttempt.getNewContainerId());
}

Example 2 with AbstractYarnScheduler

use of org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler in project hadoop by apache.

the class TestNMReconnect method testCompareRMNodeAfterReconnect.

@Test
public void testCompareRMNodeAfterReconnect() throws Exception {
    AbstractYarnScheduler scheduler = getScheduler();
    Configuration yarnConf = new YarnConfiguration();
    ConfigurationProvider configurationProvider = ConfigurationProviderFactory.getConfigurationProvider(yarnConf);
    configurationProvider.init(yarnConf);
    context.setConfigurationProvider(configurationProvider);
    RMNodeLabelsManager nlm = new RMNodeLabelsManager();
    nlm.init(yarnConf);
    nlm.start();
    context.setNodeLabelManager(nlm);
    scheduler.setRMContext(context);
    scheduler.init(yarnConf);
    scheduler.start();
    dispatcher.register(SchedulerEventType.class, scheduler);
    String hostname1 = "localhost1";
    Resource capability = BuilderUtils.newResource(4096, 4);
    RegisterNodeManagerRequest request1 = recordFactory.newRecordInstance(RegisterNodeManagerRequest.class);
    NodeId nodeId1 = NodeId.newInstance(hostname1, 0);
    request1.setNodeId(nodeId1);
    request1.setHttpPort(0);
    request1.setResource(capability);
    resourceTrackerService.registerNodeManager(request1);
    Assert.assertNotNull(context.getRMNodes().get(nodeId1));
    // verify Scheduler and RMContext use same RMNode reference.
    Assert.assertTrue(scheduler.getSchedulerNode(nodeId1).getRMNode() == context.getRMNodes().get(nodeId1));
    Assert.assertEquals(context.getRMNodes().get(nodeId1).getTotalCapability(), capability);
    Resource capability1 = BuilderUtils.newResource(2048, 2);
    request1.setResource(capability1);
    resourceTrackerService.registerNodeManager(request1);
    Assert.assertNotNull(context.getRMNodes().get(nodeId1));
    // verify Scheduler and RMContext use same RMNode reference
    // after reconnect.
    Assert.assertTrue(scheduler.getSchedulerNode(nodeId1).getRMNode() == context.getRMNodes().get(nodeId1));
    // verify RMNode's capability is changed.
    Assert.assertEquals(context.getRMNodes().get(nodeId1).getTotalCapability(), capability1);
    nlm.stop();
    scheduler.stop();
}

Example 3 with AbstractYarnScheduler

use of org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler in project hadoop by apache.

the class TestWorkPreservingRMRestart method testUAMRecoveryOnRMWorkPreservingRestart.

@Test(timeout = 600000)
public void testUAMRecoveryOnRMWorkPreservingRestart() throws Exception {
    conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 1);
    MemoryRMStateStore memStore = new MemoryRMStateStore();
    memStore.init(conf);
    // start RM
    rm1 = new MockRM(conf, memStore);
    rm1.start();
    MockNM nm1 = new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
    nm1.registerNode();
    // create app and launch the UAM
    RMApp app0 = rm1.submitApp(200, true);
    MockAM am0 = MockRM.launchUAM(app0, rm1, nm1);
    am0.registerAppAttempt();
    // Allocate containers to UAM
    int numContainers = 2;
    am0.allocate("127.0.0.1", 1000, numContainers, new ArrayList<ContainerId>());
    nm1.nodeHeartbeat(true);
    List<Container> conts = am0.allocate(new ArrayList<ResourceRequest>(), new ArrayList<ContainerId>()).getAllocatedContainers();
    Assert.assertTrue(conts.isEmpty());
    while (conts.size() == 0) {
        nm1.nodeHeartbeat(true);
        conts.addAll(am0.allocate(new ArrayList<ResourceRequest>(), new ArrayList<ContainerId>()).getAllocatedContainers());
        Thread.sleep(500);
    }
    Assert.assertFalse(conts.isEmpty());
    // start new RM
    rm2 = new MockRM(conf, memStore);
    rm2.start();
    rm2.waitForState(app0.getApplicationId(), RMAppState.ACCEPTED);
    rm2.waitForState(am0.getApplicationAttemptId(), RMAppAttemptState.LAUNCHED);
    // recover app
    nm1.setResourceTrackerService(rm2.getResourceTrackerService());
    RMApp recoveredApp = rm2.getRMContext().getRMApps().get(app0.getApplicationId());
    NMContainerStatus container1 = TestRMRestart.createNMContainerStatus(am0.getApplicationAttemptId(), 1, ContainerState.RUNNING);
    NMContainerStatus container2 = TestRMRestart.createNMContainerStatus(am0.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    nm1.registerNode(Arrays.asList(container1, container2), null);
    // Wait for RM to settle down on recovering containers;
    waitForNumContainersToRecover(2, rm2, am0.getApplicationAttemptId());
    // retry registerApplicationMaster() after RM restart.
    am0.setAMRMProtocol(rm2.getApplicationMasterService(), rm2.getRMContext());
    am0.registerAppAttempt(true);
    // Check if UAM is correctly recovered on restart
    rm2.waitForState(app0.getApplicationId(), RMAppState.RUNNING);
    rm2.waitForState(am0.getApplicationAttemptId(), RMAppAttemptState.RUNNING);
    // Check if containers allocated to UAM are recovered
    Map<ApplicationId, SchedulerApplication> schedulerApps = ((AbstractYarnScheduler) rm2.getResourceScheduler()).getSchedulerApplications();
    SchedulerApplication schedulerApp = schedulerApps.get(recoveredApp.getApplicationId());
    SchedulerApplicationAttempt schedulerAttempt = schedulerApp.getCurrentAppAttempt();
    Assert.assertEquals(numContainers, schedulerAttempt.getLiveContainers().size());
    // Check if UAM is able to heart beat
    Assert.assertNotNull(am0.doHeartbeat());
    // Complete the UAM
    am0.unregisterAppAttempt(false);
    rm2.waitForState(am0.getApplicationAttemptId(), RMAppAttemptState.FINISHED);
    rm2.waitForState(app0.getApplicationId(), RMAppState.FINISHED);
    Assert.assertEquals(FinalApplicationStatus.SUCCEEDED, recoveredApp.getFinalApplicationStatus());
    // Restart RM once more to check UAM is not re-run
    MockRM rm3 = new MockRM(conf, memStore);
    rm3.start();
    recoveredApp = rm3.getRMContext().getRMApps().get(app0.getApplicationId());
    Assert.assertEquals(RMAppState.FINISHED, recoveredApp.getState());
}

Example 4 with AbstractYarnScheduler

use of org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler in project hadoop by apache.

the class TestWorkPreservingRMRestart method testSchedulerRecovery.

// Test common scheduler state including SchedulerAttempt, SchedulerNode,
// AppSchedulingInfo can be reconstructed via the container recovery reports
// on NM re-registration.
// Also test scheduler specific changes: i.e. Queue recovery-
// CSQueue/FSQueue/FifoQueue recovery respectively.
// Test Strategy: send 3 container recovery reports(AMContainer, running
// container, completed container) on NM re-registration, check the states of
// SchedulerAttempt, SchedulerNode etc. are updated accordingly.
@Test(timeout = 20000)
public void testSchedulerRecovery() throws Exception {
    conf.setBoolean(CapacitySchedulerConfiguration.ENABLE_USER_METRICS, true);
    conf.set(CapacitySchedulerConfiguration.RESOURCE_CALCULATOR_CLASS, DominantResourceCalculator.class.getName());
    int containerMemory = 1024;
    Resource containerResource = Resource.newInstance(containerMemory, 1);
    MemoryRMStateStore memStore = new MemoryRMStateStore();
    memStore.init(conf);
    rm1 = new MockRM(conf, memStore);
    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);
    // clear queue metrics
    rm1.clearQueueMetrics(app1);
    // Re-start RM
    rm2 = new MockRM(conf, memStore);
    rm2.start();
    nm1.setResourceTrackerService(rm2.getResourceTrackerService());
    // recover app
    RMApp recoveredApp1 = rm2.getRMContext().getRMApps().get(app1.getApplicationId());
    RMAppAttempt loadedAttempt1 = recoveredApp1.getCurrentAppAttempt();
    NMContainerStatus amContainer = TestRMRestart.createNMContainerStatus(am1.getApplicationAttemptId(), 1, ContainerState.RUNNING);
    NMContainerStatus runningContainer = TestRMRestart.createNMContainerStatus(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    NMContainerStatus completedContainer = TestRMRestart.createNMContainerStatus(am1.getApplicationAttemptId(), 3, ContainerState.COMPLETE);
    nm1.registerNode(Arrays.asList(amContainer, runningContainer, completedContainer), null);
    // Wait for RM to settle down on recovering containers;
    waitForNumContainersToRecover(2, rm2, am1.getApplicationAttemptId());
    Set<ContainerId> launchedContainers = ((RMNodeImpl) rm2.getRMContext().getRMNodes().get(nm1.getNodeId())).getLaunchedContainers();
    assertTrue(launchedContainers.contains(amContainer.getContainerId()));
    assertTrue(launchedContainers.contains(runningContainer.getContainerId()));
    // check RMContainers are re-recreated and the container state is correct.
    rm2.waitForState(nm1, amContainer.getContainerId(), RMContainerState.RUNNING);
    rm2.waitForState(nm1, runningContainer.getContainerId(), RMContainerState.RUNNING);
    rm2.waitForContainerToComplete(loadedAttempt1, completedContainer);
    AbstractYarnScheduler scheduler = (AbstractYarnScheduler) rm2.getResourceScheduler();
    SchedulerNode schedulerNode1 = scheduler.getSchedulerNode(nm1.getNodeId());
    assertTrue("SchedulerNode#toString is not in expected format", schedulerNode1.toString().contains(schedulerNode1.getUnallocatedResource().toString()));
    assertTrue("SchedulerNode#toString is not in expected format", schedulerNode1.toString().contains(schedulerNode1.getAllocatedResource().toString()));
    // ********* check scheduler node state.*******
    // 2 running containers.
    Resource usedResources = Resources.multiply(containerResource, 2);
    Resource nmResource = Resource.newInstance(nm1.getMemory(), nm1.getvCores());
    assertTrue(schedulerNode1.isValidContainer(amContainer.getContainerId()));
    assertTrue(schedulerNode1.isValidContainer(runningContainer.getContainerId()));
    assertFalse(schedulerNode1.isValidContainer(completedContainer.getContainerId()));
    // 2 launched containers, 1 completed container
    assertEquals(2, schedulerNode1.getNumContainers());
    assertEquals(Resources.subtract(nmResource, usedResources), schedulerNode1.getUnallocatedResource());
    assertEquals(usedResources, schedulerNode1.getAllocatedResource());
    Resource availableResources = Resources.subtract(nmResource, usedResources);
    // ***** check queue state based on the underlying scheduler ********
    Map<ApplicationId, SchedulerApplication> schedulerApps = ((AbstractYarnScheduler) rm2.getResourceScheduler()).getSchedulerApplications();
    SchedulerApplication schedulerApp = schedulerApps.get(recoveredApp1.getApplicationId());
    if (getSchedulerType() == SchedulerType.CAPACITY) {
        checkCSQueue(rm2, schedulerApp, nmResource, nmResource, usedResources, 2);
    } else {
        checkFSQueue(rm2, schedulerApp, usedResources, availableResources);
    }
    // *********** check scheduler attempt state.********
    SchedulerApplicationAttempt schedulerAttempt = schedulerApp.getCurrentAppAttempt();
    assertTrue(schedulerAttempt.getLiveContainers().contains(scheduler.getRMContainer(amContainer.getContainerId())));
    assertTrue(schedulerAttempt.getLiveContainers().contains(scheduler.getRMContainer(runningContainer.getContainerId())));
    assertEquals(schedulerAttempt.getCurrentConsumption(), usedResources);
    // *********** check appSchedulingInfo state ***********
    assertEquals((1L << 40) + 1L, schedulerAttempt.getNewContainerId());
}

Example 5 with AbstractYarnScheduler

use of org.apache.hadoop.yarn.server.resourcemanager.scheduler.AbstractYarnScheduler in project hadoop by apache.

the class TestFifoScheduler method testAddAndRemoveAppFromFiFoScheduler.

@Test
public void testAddAndRemoveAppFromFiFoScheduler() throws Exception {
    Configuration conf = new Configuration();
    conf.setClass(YarnConfiguration.RM_SCHEDULER, FifoScheduler.class, ResourceScheduler.class);
    MockRM rm = new MockRM(conf);
    @SuppressWarnings("unchecked") AbstractYarnScheduler<SchedulerApplicationAttempt, SchedulerNode> fs = (AbstractYarnScheduler<SchedulerApplicationAttempt, SchedulerNode>) rm.getResourceScheduler();
    TestSchedulerUtils.verifyAppAddedAndRemovedFromScheduler(fs.getSchedulerApplications(), fs, "queue");
}