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

Example 61 with MockNM

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

the class TestAMRestart method testAMRestartWithExistingContainers.

@Test(timeout = 30000)
public void testAMRestartWithExistingContainers() throws Exception {
    YarnConfiguration conf = new YarnConfiguration();
    conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2);
    MockRM rm1 = new MockRM(conf);
    rm1.start();
    RMApp app1 = rm1.submitApp(200, "name", "user", new HashMap<ApplicationAccessType, String>(), false, "default", -1, null, "MAPREDUCE", false, true);
    MockNM nm1 = new MockNM("127.0.0.1:1234", 10240, rm1.getResourceTrackerService());
    nm1.registerNode();
    MockNM nm2 = new MockNM("127.0.0.1:2351", 4089, rm1.getResourceTrackerService());
    nm2.registerNode();
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    int NUM_CONTAINERS = 3;
    allocateContainers(nm1, am1, NUM_CONTAINERS);
    // launch the 2nd container, for testing running container transferred.
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    ContainerId containerId2 = ContainerId.newContainerId(am1.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING);
    // launch the 3rd container, for testing container allocated by previous
    // attempt is completed by the next new attempt/
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 3, ContainerState.RUNNING);
    ContainerId containerId3 = ContainerId.newContainerId(am1.getApplicationAttemptId(), 3);
    rm1.waitForState(nm1, containerId3, RMContainerState.RUNNING);
    // 4th container still in AQUIRED state. for testing Acquired container is
    // always killed.
    ContainerId containerId4 = ContainerId.newContainerId(am1.getApplicationAttemptId(), 4);
    rm1.waitForState(nm1, containerId4, RMContainerState.ACQUIRED);
    // 5th container is in Allocated state. for testing allocated container is
    // always killed.
    am1.allocate("127.0.0.1", 1024, 1, new ArrayList<ContainerId>());
    nm1.nodeHeartbeat(true);
    ContainerId containerId5 = ContainerId.newContainerId(am1.getApplicationAttemptId(), 5);
    rm1.waitForState(nm1, containerId5, RMContainerState.ALLOCATED);
    // 6th container is in Reserved state.
    am1.allocate("127.0.0.1", 6000, 1, new ArrayList<ContainerId>());
    ContainerId containerId6 = ContainerId.newContainerId(am1.getApplicationAttemptId(), 6);
    nm1.nodeHeartbeat(true);
    SchedulerApplicationAttempt schedulerAttempt = ((AbstractYarnScheduler) rm1.getResourceScheduler()).getCurrentAttemptForContainer(containerId6);
    while (schedulerAttempt.getReservedContainers().isEmpty()) {
        System.out.println("Waiting for container " + containerId6 + " to be reserved.");
        nm1.nodeHeartbeat(true);
        Thread.sleep(200);
    }
    // assert containerId6 is reserved.
    Assert.assertEquals(containerId6, schedulerAttempt.getReservedContainers().get(0).getContainerId());
    // fail the AM by sending CONTAINER_FINISHED event without registering.
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED);
    // wait for some time. previous AM's running containers should still remain
    // in scheduler even though am failed
    Thread.sleep(3000);
    rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING);
    // acquired/allocated containers are cleaned up.
    Assert.assertNull(rm1.getResourceScheduler().getRMContainer(containerId4));
    Assert.assertNull(rm1.getResourceScheduler().getRMContainer(containerId5));
    // wait for app to start a new attempt.
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);
    // assert this is a new AM.
    ApplicationAttemptId newAttemptId = app1.getCurrentAppAttempt().getAppAttemptId();
    Assert.assertFalse(newAttemptId.equals(am1.getApplicationAttemptId()));
    // launch the new AM
    MockAM am2 = rm1.launchAM(app1, rm1, nm1);
    RegisterApplicationMasterResponse registerResponse = am2.registerAppAttempt();
    // Assert two containers are running: container2 and container3;
    Assert.assertEquals(2, registerResponse.getContainersFromPreviousAttempts().size());
    boolean containerId2Exists = false, containerId3Exists = false;
    for (Container container : registerResponse.getContainersFromPreviousAttempts()) {
        if (container.getId().equals(containerId2)) {
            containerId2Exists = true;
        }
        if (container.getId().equals(containerId3)) {
            containerId3Exists = true;
        }
    }
    Assert.assertTrue(containerId2Exists && containerId3Exists);
    rm1.waitForState(app1.getApplicationId(), RMAppState.RUNNING);
    // complete container by sending the container complete event which has earlier
    // attempt's attemptId
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 3, ContainerState.COMPLETE);
    // Even though the completed container containerId3 event was sent to the
    // earlier failed attempt, new RMAppAttempt can also capture this container
    // info.
    // completed containerId4 is also transferred to the new attempt.
    RMAppAttempt newAttempt = app1.getRMAppAttempt(am2.getApplicationAttemptId());
    // 4 containers finished, acquired/allocated/reserved/completed.
    waitForContainersToFinish(4, newAttempt);
    boolean container3Exists = false, container4Exists = false, container5Exists = false, container6Exists = false;
    for (ContainerStatus status : newAttempt.getJustFinishedContainers()) {
        if (status.getContainerId().equals(containerId3)) {
            // containerId3 is the container ran by previous attempt but finished by the
            // new attempt.
            container3Exists = true;
        }
        if (status.getContainerId().equals(containerId4)) {
            // containerId4 is the Acquired Container killed by the previous attempt,
            // it's now inside new attempt's finished container list.
            container4Exists = true;
        }
        if (status.getContainerId().equals(containerId5)) {
            // containerId5 is the Allocated container killed by previous failed attempt.
            container5Exists = true;
        }
        if (status.getContainerId().equals(containerId6)) {
            // containerId6 is the reserved container killed by previous failed attempt.
            container6Exists = true;
        }
    }
    Assert.assertTrue(container3Exists && container4Exists && container5Exists && container6Exists);
    // New SchedulerApplicationAttempt also has the containers info.
    rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING);
    // record the scheduler attempt for testing.
    SchedulerApplicationAttempt schedulerNewAttempt = ((AbstractYarnScheduler) rm1.getResourceScheduler()).getCurrentAttemptForContainer(containerId2);
    // finish this application
    MockRM.finishAMAndVerifyAppState(app1, rm1, nm1, am2);
    // the 2nd attempt released the 1st attempt's running container, when the
    // 2nd attempt finishes.
    Assert.assertFalse(schedulerNewAttempt.getLiveContainers().contains(containerId2));
    // all 4 normal containers finished.
    System.out.println("New attempt's just finished containers: " + newAttempt.getJustFinishedContainers());
    waitForContainersToFinish(5, newAttempt);
    rm1.stop();
}

Example 62 with MockNM

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

the class TestAMRestart method testAMRestartNotLostContainerAfterAttemptFailuresValidityInterval.

// Test restarting AM launched with the KeepContainers and AM reset window.
// after AM reset window, even if AM who was the last is failed,
// all containers are launched by previous AM should be kept.
@Test(timeout = 20000)
public void testAMRestartNotLostContainerAfterAttemptFailuresValidityInterval() throws Exception {
    YarnConfiguration conf = new YarnConfiguration();
    // explicitly set max-am-retry count as 2.
    conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, 2);
    MockRM rm1 = new MockRM(conf);
    rm1.start();
    MockNM nm1 = new MockNM("127.0.0.1:1234", 8000, rm1.getResourceTrackerService());
    nm1.registerNode();
    // set window size to 10s and enable keepContainers
    RMAppImpl app1 = (RMAppImpl) rm1.submitApp(200, 10000, true);
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    int NUM_CONTAINERS = 2;
    allocateContainers(nm1, am1, NUM_CONTAINERS);
    // launch the 2nd container, for testing running container transferred.
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 2, ContainerState.RUNNING);
    ContainerId containerId2 = ContainerId.newContainerId(am1.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, containerId2, RMContainerState.RUNNING);
    // Fail attempt1 normally
    nm1.nodeHeartbeat(am1.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    rm1.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.FAILED);
    // launch the second attempt
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);
    Assert.assertEquals(2, app1.getAppAttempts().size());
    // It will be the last attempt.
    RMAppAttempt attempt2 = app1.getCurrentAppAttempt();
    MockAM am2 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.RUNNING);
    // wait for 10 seconds to reset AM failure count
    Thread.sleep(10 * 1000);
    // Fail attempt2 normally
    nm1.nodeHeartbeat(am2.getApplicationAttemptId(), 1, ContainerState.COMPLETE);
    rm1.waitForState(am2.getApplicationAttemptId(), RMAppAttemptState.FAILED);
    // can launch the third attempt successfully
    rm1.waitForState(app1.getApplicationId(), RMAppState.ACCEPTED);
    Assert.assertEquals(3, app1.getAppAttempts().size());
    MockAM am3 = rm1.launchAM(app1, rm1, nm1);
    RegisterApplicationMasterResponse registerResponse = am3.registerAppAttempt();
    // keepContainers is applied, even if attempt2 was the last attempt.
    Assert.assertEquals(1, registerResponse.getContainersFromPreviousAttempts().size());
    boolean containerId2Exists = false;
    Container container = registerResponse.getContainersFromPreviousAttempts().get(0);
    if (container.getId().equals(containerId2)) {
        containerId2Exists = true;
    }
    Assert.assertTrue(containerId2Exists);
    rm1.waitForState(app1.getApplicationId(), RMAppState.RUNNING);
    rm1.stop();
}

Example 63 with MockNM

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

the class TestCapacityScheduler method testAppReservationWithDominantResourceCalculator.

// Test to ensure that we don't carry out reservation on nodes
// that have no CPU available when using the DominantResourceCalculator
@Test(timeout = 30000)
public void testAppReservationWithDominantResourceCalculator() throws Exception {
    CapacitySchedulerConfiguration csconf = new CapacitySchedulerConfiguration();
    csconf.setResourceComparator(DominantResourceCalculator.class);
    YarnConfiguration conf = new YarnConfiguration(csconf);
    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class, ResourceScheduler.class);
    MockRM rm = new MockRM(conf);
    rm.start();
    MockNM nm1 = rm.registerNode("127.0.0.1:1234", 10 * GB, 1);
    // register extra nodes to bump up cluster resource
    MockNM nm2 = rm.registerNode("127.0.0.1:1235", 10 * GB, 4);
    rm.registerNode("127.0.0.1:1236", 10 * GB, 4);
    RMApp app1 = rm.submitApp(1024);
    // kick the scheduling
    nm1.nodeHeartbeat(true);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = rm.sendAMLaunched(attempt1.getAppAttemptId());
    am1.registerAppAttempt();
    SchedulerNodeReport report_nm1 = rm.getResourceScheduler().getNodeReport(nm1.getNodeId());
    // check node report
    Assert.assertEquals(1 * GB, report_nm1.getUsedResource().getMemorySize());
    Assert.assertEquals(9 * GB, report_nm1.getAvailableResource().getMemorySize());
    // add request for containers
    am1.addRequests(new String[] { "127.0.0.1", "127.0.0.2" }, 1 * GB, 1, 1);
    // send the request
    am1.schedule();
    // kick the scheduler, container reservation should not happen
    nm1.nodeHeartbeat(true);
    Thread.sleep(1000);
    AllocateResponse allocResponse = am1.schedule();
    ApplicationResourceUsageReport report = rm.getResourceScheduler().getAppResourceUsageReport(attempt1.getAppAttemptId());
    Assert.assertEquals(0, allocResponse.getAllocatedContainers().size());
    Assert.assertEquals(0, report.getNumReservedContainers());
    // container should get allocated on this node
    nm2.nodeHeartbeat(true);
    while (allocResponse.getAllocatedContainers().size() == 0) {
        Thread.sleep(100);
        allocResponse = am1.schedule();
    }
    report = rm.getResourceScheduler().getAppResourceUsageReport(attempt1.getAppAttemptId());
    Assert.assertEquals(1, allocResponse.getAllocatedContainers().size());
    Assert.assertEquals(0, report.getNumReservedContainers());
    rm.stop();
}

Example 64 with MockNM

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

the class TestCapacityScheduler method testAppAttemptLocalityStatistics.

@Test
public void testAppAttemptLocalityStatistics() throws Exception {
    Configuration conf = TestUtils.getConfigurationWithMultipleQueues(new Configuration(false));
    conf.setBoolean(YarnConfiguration.NODE_LABELS_ENABLED, true);
    final RMNodeLabelsManager mgr = new NullRMNodeLabelsManager();
    mgr.init(conf);
    MockRM rm = new MockRM(conf) {

        protected RMNodeLabelsManager createNodeLabelManager() {
            return mgr;
        }
    };
    rm.start();
    MockNM nm1 = new MockNM("h1:1234", 200 * GB, rm.getResourceTrackerService());
    nm1.registerNode();
    // Launch app1 in queue=a1
    RMApp app1 = rm.submitApp(1 * GB, "app", "user", null, "a");
    // Got one offswitch request and offswitch allocation
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm, nm1);
    // am1 asks for 1 GB resource on h1/default-rack/offswitch
    am1.allocate(Arrays.asList(ResourceRequest.newInstance(Priority.newInstance(1), "*", Resources.createResource(1 * GB), 2), ResourceRequest.newInstance(Priority.newInstance(1), "/default-rack", Resources.createResource(1 * GB), 2), ResourceRequest.newInstance(Priority.newInstance(1), "h1", Resources.createResource(1 * GB), 1)), null);
    CapacityScheduler cs = (CapacityScheduler) rm.getRMContext().getScheduler();
    // Got one nodelocal request and nodelocal allocation
    cs.nodeUpdate(rm.getRMContext().getRMNodes().get(nm1.getNodeId()));
    // Got one nodelocal request and racklocal allocation
    cs.nodeUpdate(rm.getRMContext().getRMNodes().get(nm1.getNodeId()));
    RMAppAttemptMetrics attemptMetrics = rm.getRMContext().getRMApps().get(app1.getApplicationId()).getCurrentAppAttempt().getRMAppAttemptMetrics();
    // We should get one node-local allocation, one rack-local allocation
    // And one off-switch allocation
    Assert.assertArrayEquals(new int[][] { { 1, 0, 0 }, { 0, 1, 0 }, { 0, 0, 1 } }, attemptMetrics.getLocalityStatistics());
}

Example 65 with MockNM

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

the class TestCapacityScheduler method testResourceOverCommit.

@Test
public void testResourceOverCommit() throws Exception {
    int waitCount;
    Configuration conf = new Configuration();
    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class, ResourceScheduler.class);
    MockRM rm = new MockRM(conf);
    rm.start();
    MockNM nm1 = rm.registerNode("127.0.0.1:1234", 4 * GB);
    RMApp app1 = rm.submitApp(2048);
    // kick the scheduling, 2 GB given to AM1, remaining 2GB on nm1
    nm1.nodeHeartbeat(true);
    RMAppAttempt attempt1 = app1.getCurrentAppAttempt();
    MockAM am1 = rm.sendAMLaunched(attempt1.getAppAttemptId());
    am1.registerAppAttempt();
    SchedulerNodeReport report_nm1 = rm.getResourceScheduler().getNodeReport(nm1.getNodeId());
    // check node report, 2 GB used and 2 GB available
    Assert.assertEquals(2 * GB, report_nm1.getUsedResource().getMemorySize());
    Assert.assertEquals(2 * GB, report_nm1.getAvailableResource().getMemorySize());
    // add request for containers
    am1.addRequests(new String[] { "127.0.0.1", "127.0.0.2" }, 2 * GB, 1, 1);
    // send the request
    AllocateResponse alloc1Response = am1.schedule();
    // kick the scheduler, 2 GB given to AM1, resource remaining 0
    nm1.nodeHeartbeat(true);
    while (alloc1Response.getAllocatedContainers().size() < 1) {
        LOG.info("Waiting for containers to be created for app 1...");
        Thread.sleep(100);
        alloc1Response = am1.schedule();
    }
    List<Container> allocated1 = alloc1Response.getAllocatedContainers();
    Assert.assertEquals(1, allocated1.size());
    Assert.assertEquals(2 * GB, allocated1.get(0).getResource().getMemorySize());
    Assert.assertEquals(nm1.getNodeId(), allocated1.get(0).getNodeId());
    report_nm1 = rm.getResourceScheduler().getNodeReport(nm1.getNodeId());
    // check node report, 4 GB used and 0 GB available
    Assert.assertEquals(0, report_nm1.getAvailableResource().getMemorySize());
    Assert.assertEquals(4 * GB, report_nm1.getUsedResource().getMemorySize());
    // check container is assigned with 2 GB.
    Container c1 = allocated1.get(0);
    Assert.assertEquals(2 * GB, c1.getResource().getMemorySize());
    // update node resource to 2 GB, so resource is over-consumed.
    Map<NodeId, ResourceOption> nodeResourceMap = new HashMap<NodeId, ResourceOption>();
    nodeResourceMap.put(nm1.getNodeId(), ResourceOption.newInstance(Resource.newInstance(2 * GB, 1), -1));
    UpdateNodeResourceRequest request = UpdateNodeResourceRequest.newInstance(nodeResourceMap);
    AdminService as = ((MockRM) rm).getAdminService();
    as.updateNodeResource(request);
    waitCount = 0;
    while (waitCount++ != 20) {
        report_nm1 = rm.getResourceScheduler().getNodeReport(nm1.getNodeId());
        if (report_nm1.getAvailableResource().getMemorySize() != 0) {
            break;
        }
        LOG.info("Waiting for RMNodeResourceUpdateEvent to be handled... Tried " + waitCount + " times already..");
        Thread.sleep(1000);
    }
    // Now, the used resource is still 4 GB, and available resource is minus value.
    report_nm1 = rm.getResourceScheduler().getNodeReport(nm1.getNodeId());
    Assert.assertEquals(4 * GB, report_nm1.getUsedResource().getMemorySize());
    Assert.assertEquals(-2 * GB, report_nm1.getAvailableResource().getMemorySize());
    // Check container can complete successfully in case of resource over-commitment.
    ContainerStatus containerStatus = BuilderUtils.newContainerStatus(c1.getId(), ContainerState.COMPLETE, "", 0, c1.getResource());
    nm1.containerStatus(containerStatus);
    waitCount = 0;
    while (attempt1.getJustFinishedContainers().size() < 1 && waitCount++ != 20) {
        LOG.info("Waiting for containers to be finished for app 1... Tried " + waitCount + " times already..");
        Thread.sleep(100);
    }
    Assert.assertEquals(1, attempt1.getJustFinishedContainers().size());
    Assert.assertEquals(1, am1.schedule().getCompletedContainersStatuses().size());
    report_nm1 = rm.getResourceScheduler().getNodeReport(nm1.getNodeId());
    Assert.assertEquals(2 * GB, report_nm1.getUsedResource().getMemorySize());
    // As container return 2 GB back, the available resource becomes 0 again.
    Assert.assertEquals(0 * GB, report_nm1.getAvailableResource().getMemorySize());
    // Verify no NPE is trigger in schedule after resource is updated.
    am1.addRequests(new String[] { "127.0.0.1", "127.0.0.2" }, 3 * GB, 1, 1);
    alloc1Response = am1.schedule();
    Assert.assertEquals("Shouldn't have enough resource to allocate containers", 0, alloc1Response.getAllocatedContainers().size());
    int times = 0;
    // try 10 times as scheduling is async process.
    while (alloc1Response.getAllocatedContainers().size() < 1 && times++ < 10) {
        LOG.info("Waiting for containers to be allocated for app 1... Tried " + times + " times already..");
        Thread.sleep(100);
    }
    Assert.assertEquals("Shouldn't have enough resource to allocate containers", 0, alloc1Response.getAllocatedContainers().size());
    rm.stop();
}