Examples with MemoryRMStateStore org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore used on opensource projects

Example 11 with MemoryRMStateStore

use of org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore in project hadoop by apache.

the class TestWorkPreservingRMRestart method testAppReregisterOnRMWorkPreservingRestart.

@Test(timeout = 600000)
public void testAppReregisterOnRMWorkPreservingRestart() 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 AM
    RMApp app0 = rm1.submitApp(200);
    MockAM am0 = MockRM.launchAM(app0, rm1, nm1);
    // Issuing registerAppAttempt() before and after RM restart to confirm
    // registerApplicationMaster() is idempotent.
    am0.registerAppAttempt();
    // start new RM
    rm2 = new MockRM(conf, memStore);
    rm2.start();
    rm2.waitForState(app0.getApplicationId(), RMAppState.ACCEPTED);
    rm2.waitForState(am0.getApplicationAttemptId(), RMAppAttemptState.LAUNCHED);
    am0.setAMRMProtocol(rm2.getApplicationMasterService(), rm2.getRMContext());
    // retry registerApplicationMaster() after RM restart.
    am0.registerAppAttempt(true);
    rm2.waitForState(app0.getApplicationId(), RMAppState.RUNNING);
    rm2.waitForState(am0.getApplicationAttemptId(), RMAppAttemptState.RUNNING);
}

Example 12 with MemoryRMStateStore

use of org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore in project hadoop by apache.

the class TestWorkPreservingRMRestart method testRetriedFinishApplicationMasterRequest.

/**
   * Testing to confirm that retried finishApplicationMaster() doesn't throw
   * InvalidApplicationMasterRequest before and after RM restart.
   */
@Test(timeout = 20000)
public void testRetriedFinishApplicationMasterRequest() 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 AM
    RMApp app0 = rm1.submitApp(200);
    MockAM am0 = MockRM.launchAM(app0, rm1, nm1);
    am0.registerAppAttempt();
    // Emulating following a scenario:
    // RM1 saves the app in RMStateStore and then crashes,
    // FinishApplicationMasterResponse#isRegistered still return false,
    // so AM still retry the 2nd RM
    MockRM.finishAMAndVerifyAppState(app0, rm1, nm1, am0);
    // start new RM
    rm2 = new MockRM(conf, memStore);
    rm2.start();
    am0.setAMRMProtocol(rm2.getApplicationMasterService(), rm2.getRMContext());
    am0.unregisterAppAttempt(false);
}

Example 13 with MemoryRMStateStore

use of org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore 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 14 with MemoryRMStateStore

use of org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore in project hadoop by apache.

the class TestWorkPreservingRMRestart method testAppFailToValidateResourceRequestOnRecovery.

/**
   * Test validateAndCreateResourceRequest fails on recovery, app should ignore
   * this Exception and continue
   */
@Test(timeout = 30000)
public void testAppFailToValidateResourceRequestOnRecovery() throws Exception {
    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);
    // Change the config so that validateAndCreateResourceRequest throws
    // exception on recovery
    conf.setInt(YarnConfiguration.RM_SCHEDULER_MINIMUM_ALLOCATION_MB, 50);
    conf.setInt(YarnConfiguration.RM_SCHEDULER_MAXIMUM_ALLOCATION_MB, 100);
    rm2 = new MockRM(conf, memStore);
    nm1.setResourceTrackerService(rm2.getResourceTrackerService());
    rm2.start();
}

Example 15 with MemoryRMStateStore

use of org.apache.hadoop.yarn.server.resourcemanager.recovery.MemoryRMStateStore 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());
}