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

Example 56 with MockAM

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

the class TestApplicationPriority method testPriorityWithPendingApplications.

@Test
public void testPriorityWithPendingApplications() throws Exception {
    Configuration conf = new Configuration();
    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class, ResourceScheduler.class);
    // Set Max Application Priority as 10
    conf.setInt(YarnConfiguration.MAX_CLUSTER_LEVEL_APPLICATION_PRIORITY, 10);
    MockRM rm = new MockRM(conf);
    rm.start();
    Priority appPriority1 = Priority.newInstance(5);
    MockNM nm1 = rm.registerNode("127.0.0.1:1234", 8 * GB);
    RMApp app1 = rm.submitApp(1 * GB, appPriority1);
    // kick the scheduler, 1 GB given to AM1, remaining 7GB on nm1
    MockAM am1 = MockRM.launchAM(app1, rm, nm1);
    am1.registerAppAttempt();
    // kick the scheduler, 7 containers will be allocated for App1
    List<Container> allocated1 = am1.allocateAndWaitForContainers("127.0.0.1", 7, 1 * GB, nm1);
    Assert.assertEquals(7, allocated1.size());
    Assert.assertEquals(1 * GB, allocated1.get(0).getResource().getMemorySize());
    // check node report, 8 GB used (1 AM and 7 containers) and 0 GB available
    SchedulerNodeReport report_nm1 = rm.getResourceScheduler().getNodeReport(nm1.getNodeId());
    Assert.assertEquals(8 * GB, report_nm1.getUsedResource().getMemorySize());
    Assert.assertEquals(0 * GB, report_nm1.getAvailableResource().getMemorySize());
    // Submit the second app App2 with priority 7
    Priority appPriority2 = Priority.newInstance(7);
    RMApp app2 = rm.submitApp(1 * GB, appPriority2);
    // Submit the third app App3 with priority 8
    Priority appPriority3 = Priority.newInstance(8);
    RMApp app3 = rm.submitApp(1 * GB, appPriority3);
    // Submit the second app App4 with priority 6
    Priority appPriority4 = Priority.newInstance(6);
    RMApp app4 = rm.submitApp(1 * GB, appPriority4);
    // Only one app can run as AM resource limit restricts it. Kill app1,
    // If app3 (highest priority among rest) gets active, it indicates that
    // priority is working with pendingApplications.
    rm.killApp(app1.getApplicationId());
    rm.waitForState(am1.getApplicationAttemptId(), RMAppAttemptState.KILLED);
    // kick the scheduler, app3 (high among pending) gets free space
    MockAM am3 = MockRM.launchAM(app3, rm, nm1);
    am3.registerAppAttempt();
    // check node report, 1 GB used and 7 GB available
    report_nm1 = rm.getResourceScheduler().getNodeReport(nm1.getNodeId());
    Assert.assertEquals(1 * GB, report_nm1.getUsedResource().getMemorySize());
    Assert.assertEquals(7 * GB, report_nm1.getAvailableResource().getMemorySize());
    rm.stop();
}

Example 57 with MockAM

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

the class TestApplicationPriority method testUpdateInvalidPriorityAtRuntime.

@Test
public void testUpdateInvalidPriorityAtRuntime() throws Exception {
    Configuration conf = new Configuration();
    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class, ResourceScheduler.class);
    // Set Max Application Priority as 10
    conf.setInt(YarnConfiguration.MAX_CLUSTER_LEVEL_APPLICATION_PRIORITY, 10);
    MockRM rm = new MockRM(conf);
    rm.start();
    Priority appPriority1 = Priority.newInstance(5);
    MockNM nm1 = rm.registerNode("127.0.0.1:1234", 16 * GB);
    RMApp app1 = rm.submitApp(1 * GB, appPriority1);
    // kick the scheduler, 1 GB given to AM1, remaining 15GB on nm1
    MockAM am1 = MockRM.launchAM(app1, rm, nm1);
    am1.registerAppAttempt();
    // get scheduler
    CapacityScheduler cs = (CapacityScheduler) rm.getResourceScheduler();
    // Change the priority of App1 to 15
    Priority appPriority2 = Priority.newInstance(15);
    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(app1.getUser());
    cs.updateApplicationPriority(appPriority2, app1.getApplicationId(), null, ugi);
    // get scheduler app
    FiCaSchedulerApp schedulerAppAttempt = cs.getSchedulerApplications().get(app1.getApplicationId()).getCurrentAppAttempt();
    // Verify whether priority 15 is reset to 10
    Priority appPriority3 = Priority.newInstance(10);
    Assert.assertEquals(appPriority3, schedulerAppAttempt.getPriority());
    rm.stop();
}

Example 58 with MockAM

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

the class TestApplicationPriority method testRMRestartWithChangeInPriority.

@Test(timeout = 180000)
public void testRMRestartWithChangeInPriority() throws Exception {
    conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true);
    conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, false);
    conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
    conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
    conf.setInt(YarnConfiguration.MAX_CLUSTER_LEVEL_APPLICATION_PRIORITY, 10);
    MemoryRMStateStore memStore = new MemoryRMStateStore();
    memStore.init(conf);
    RMState rmState = memStore.getState();
    Map<ApplicationId, ApplicationStateData> rmAppState = rmState.getApplicationState();
    // PHASE 1: create state in an RM
    // start RM
    MockRM rm1 = new MockRM(conf, memStore);
    rm1.start();
    MockNM nm1 = new MockNM("127.0.0.1:1234", 15120, rm1.getResourceTrackerService());
    nm1.registerNode();
    Priority appPriority1 = Priority.newInstance(5);
    RMApp app1 = rm1.submitApp(1 * GB, appPriority1);
    // kick the scheduler, 1 GB given to AM1, remaining 15GB on nm1
    MockAM am1 = MockRM.launchAM(app1, rm1, nm1);
    am1.registerAppAttempt();
    // get scheduler
    CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
    // Change the priority of App1 to 8
    Priority appPriority2 = Priority.newInstance(8);
    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(app1.getUser());
    cs.updateApplicationPriority(appPriority2, app1.getApplicationId(), null, ugi);
    // let things settle down
    Thread.sleep(1000);
    // create new RM to represent restart and recover state
    MockRM rm2 = new MockRM(conf, memStore);
    // start new RM
    rm2.start();
    // change NM to point to new RM
    nm1.setResourceTrackerService(rm2.getResourceTrackerService());
    // Verify RM Apps after this restart
    Assert.assertEquals(1, rm2.getRMContext().getRMApps().size());
    // get scheduler app
    RMApp loadedApp = rm2.getRMContext().getRMApps().get(app1.getApplicationId());
    // Verify whether priority 15 is reset to 10
    Assert.assertEquals(appPriority2, loadedApp.getApplicationPriority());
    rm2.stop();
    rm1.stop();
}

Example 59 with MockAM

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

the class TestApplicationPriority method testOrderOfActivatingThePriorityApplicationOnRMRestart.

/**
   * <p>
   * Test case verifies the order of applications activated after RM Restart.
   * </p>
   * <li>App-1 and app-2 submitted and scheduled and running with a priority
   * 5 and 6 Respectively</li>
   * <li>App-3 submitted and scheduled with a priority 7. This
   * is not activated since AMResourceLimit is reached</li>
   * <li>RM restarted</li>
   * <li>App-1 get activated nevertheless of AMResourceLimit</li>
   * <li>App-2 and app-3 put in pendingOrderingPolicy</li>
   * <li>After NM registration, app-3 is activated</li>
   * <p>
   * Expected Output : App-2 must get activated since app-2 was running earlier
   * </p>
   * @throws Exception
   */
@Test
public void testOrderOfActivatingThePriorityApplicationOnRMRestart() throws Exception {
    conf.setBoolean(YarnConfiguration.RECOVERY_ENABLED, true);
    conf.setBoolean(YarnConfiguration.RM_WORK_PRESERVING_RECOVERY_ENABLED, true);
    conf.set(YarnConfiguration.RM_STORE, MemoryRMStateStore.class.getName());
    conf.setInt(YarnConfiguration.RM_AM_MAX_ATTEMPTS, YarnConfiguration.DEFAULT_RM_AM_MAX_ATTEMPTS);
    conf.setInt(YarnConfiguration.MAX_CLUSTER_LEVEL_APPLICATION_PRIORITY, 10);
    final DrainDispatcher dispatcher = new DrainDispatcher();
    MemoryRMStateStore memStore = new MemoryRMStateStore();
    memStore.init(conf);
    MockRM rm1 = new MockRM(conf, memStore) {

        @Override
        protected Dispatcher createDispatcher() {
            return dispatcher;
        }
    };
    rm1.start();
    MockNM nm1 = new MockNM("127.0.0.1:1234", 16384, rm1.getResourceTrackerService());
    nm1.registerNode();
    dispatcher.await();
    ResourceScheduler scheduler = rm1.getRMContext().getScheduler();
    LeafQueue defaultQueue = (LeafQueue) ((CapacityScheduler) scheduler).getQueue("default");
    int memory = (int) (defaultQueue.getAMResourceLimit().getMemorySize() / 2);
    // App-1 with priority 5 submitted and running
    Priority appPriority1 = Priority.newInstance(5);
    RMApp app1 = rm1.submitApp(memory, appPriority1);
    MockAM am1 = MockRM.launchAM(app1, rm1, nm1);
    am1.registerAppAttempt();
    // App-2 with priority 6 submitted and running
    Priority appPriority2 = Priority.newInstance(6);
    RMApp app2 = rm1.submitApp(memory, appPriority2);
    MockAM am2 = MockRM.launchAM(app2, rm1, nm1);
    am2.registerAppAttempt();
    dispatcher.await();
    Assert.assertEquals(2, defaultQueue.getNumActiveApplications());
    Assert.assertEquals(0, defaultQueue.getNumPendingApplications());
    // App-3 with priority 7 submitted and scheduled. But not activated since
    // AMResourceLimit threshold
    Priority appPriority3 = Priority.newInstance(7);
    RMApp app3 = rm1.submitApp(memory, appPriority3);
    dispatcher.await();
    Assert.assertEquals(2, defaultQueue.getNumActiveApplications());
    Assert.assertEquals(1, defaultQueue.getNumPendingApplications());
    Iterator<FiCaSchedulerApp> iterator = defaultQueue.getOrderingPolicy().getSchedulableEntities().iterator();
    FiCaSchedulerApp fcApp2 = iterator.next();
    Assert.assertEquals(app2.getCurrentAppAttempt().getAppAttemptId(), fcApp2.getApplicationAttemptId());
    FiCaSchedulerApp fcApp1 = iterator.next();
    Assert.assertEquals(app1.getCurrentAppAttempt().getAppAttemptId(), fcApp1.getApplicationAttemptId());
    iterator = defaultQueue.getPendingApplications().iterator();
    FiCaSchedulerApp fcApp3 = iterator.next();
    Assert.assertEquals(app3.getCurrentAppAttempt().getAppAttemptId(), fcApp3.getApplicationAttemptId());
    final DrainDispatcher dispatcher1 = new DrainDispatcher();
    // create new RM to represent restart and recover state
    MockRM rm2 = new MockRM(conf, memStore) {

        @Override
        protected Dispatcher createDispatcher() {
            return dispatcher1;
        }
    };
    // start new RM
    rm2.start();
    // change NM to point to new RM
    nm1.setResourceTrackerService(rm2.getResourceTrackerService());
    // Verify RM Apps after this restart
    Assert.assertEquals(3, rm2.getRMContext().getRMApps().size());
    dispatcher1.await();
    scheduler = rm2.getRMContext().getScheduler();
    defaultQueue = (LeafQueue) ((CapacityScheduler) scheduler).getQueue("default");
    // wait for all applications to get added to scheduler
    int count = 50;
    while (count-- > 0) {
        if (defaultQueue.getNumPendingApplications() == 3) {
            break;
        }
        Thread.sleep(50);
    }
    // Before NM registration, AMResourceLimit threshold is 0. So no
    // applications get activated.
    Assert.assertEquals(0, defaultQueue.getNumActiveApplications());
    Assert.assertEquals(3, defaultQueue.getNumPendingApplications());
    // NM resync to new RM
    nm1.registerNode();
    dispatcher1.await();
    // wait for activating applications
    count = 50;
    while (count-- > 0) {
        if (defaultQueue.getNumActiveApplications() == 2) {
            break;
        }
        Thread.sleep(50);
    }
    Assert.assertEquals(2, defaultQueue.getNumActiveApplications());
    Assert.assertEquals(1, defaultQueue.getNumPendingApplications());
    // verify for order of activated applications iterator
    iterator = defaultQueue.getOrderingPolicy().getSchedulableEntities().iterator();
    fcApp2 = iterator.next();
    Assert.assertEquals(app2.getCurrentAppAttempt().getAppAttemptId(), fcApp2.getApplicationAttemptId());
    fcApp1 = iterator.next();
    Assert.assertEquals(app1.getCurrentAppAttempt().getAppAttemptId(), fcApp1.getApplicationAttemptId());
    // verify for pending application iterator. It should be app-3 attempt
    iterator = defaultQueue.getPendingApplications().iterator();
    fcApp3 = iterator.next();
    Assert.assertEquals(app3.getCurrentAppAttempt().getAppAttemptId(), fcApp3.getApplicationAttemptId());
    rm2.stop();
    rm1.stop();
}

Example 60 with MockAM

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

the class TestApplicationPriority method testUpdatePriorityAtRuntime.

@Test
public void testUpdatePriorityAtRuntime() throws Exception {
    Configuration conf = new Configuration();
    conf.setClass(YarnConfiguration.RM_SCHEDULER, CapacityScheduler.class, ResourceScheduler.class);
    // Set Max Application Priority as 10
    conf.setInt(YarnConfiguration.MAX_CLUSTER_LEVEL_APPLICATION_PRIORITY, 10);
    MockRM rm = new MockRM(conf);
    rm.start();
    Priority appPriority1 = Priority.newInstance(5);
    MockNM nm1 = rm.registerNode("127.0.0.1:1234", 16 * GB);
    RMApp app1 = rm.submitApp(1 * GB, appPriority1);
    // kick the scheduler, 1 GB given to AM1, remaining 15GB on nm1
    MockAM am1 = MockRM.launchAM(app1, rm, nm1);
    am1.registerAppAttempt();
    // get scheduler
    CapacityScheduler cs = (CapacityScheduler) rm.getResourceScheduler();
    // Change the priority of App1 to 8
    Priority appPriority2 = Priority.newInstance(8);
    UserGroupInformation ugi = UserGroupInformation.createRemoteUser(app1.getUser());
    cs.updateApplicationPriority(appPriority2, app1.getApplicationId(), null, ugi);
    // get scheduler app
    FiCaSchedulerApp schedulerAppAttempt = cs.getSchedulerApplications().get(app1.getApplicationId()).getCurrentAppAttempt();
    // Verify whether the new priority is updated
    Assert.assertEquals(appPriority2, schedulerAppAttempt.getPriority());
}