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

Example 11 with MockNM

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

the class TestCapacitySchedulerSurgicalPreemption method testSurgicalPreemptionWithAvailableResource.

@Test(timeout = 60000)
public void testSurgicalPreemptionWithAvailableResource() throws Exception {
    /**
     * Test case: Submit two application (app1/app2) to different queues, queue
     * structure:
     *
     * <pre>
     *             Root
     *            /  |  \
     *           a   b   c
     *          10   20  70
     * </pre>
     *
     * 1) Two nodes (n1/n2) in the cluster, each of them has 20G.
     *
     * 2) app1 submit to queue-b, asks for 1G * 5
     *
     * 3) app2 submit to queue-c, ask for one 4G container (for AM)
     *
     * After preemption, we should expect:
     * Preempt 3 containers from app1 and AM of app2 successfully allocated.
     */
    MockRM rm1 = new MockRM(conf);
    rm1.getRMContext().setNodeLabelManager(mgr);
    rm1.start();
    MockNM nm1 = rm1.registerNode("h1:1234", 20 * GB);
    MockNM nm2 = rm1.registerNode("h2:1234", 20 * GB);
    CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
    RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
    RMNode rmNode2 = rm1.getRMContext().getRMNodes().get(nm2.getNodeId());
    // launch an app to queue, AM container should be launched in nm1
    RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "a");
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    am1.allocate("*", 1 * GB, 38, new ArrayList<ContainerId>());
    // Do allocation for node1/node2
    for (int i = 0; i < 38; i++) {
        cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
        cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
    }
    // App1 should have 31 containers now
    FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(am1.getApplicationAttemptId());
    Assert.assertEquals(39, schedulerApp1.getLiveContainers().size());
    // 17 from n1 and 16 from n2
    waitNumberOfLiveContainersOnNodeFromApp(cs.getNode(rmNode1.getNodeID()), am1.getApplicationAttemptId(), 20);
    waitNumberOfLiveContainersOnNodeFromApp(cs.getNode(rmNode2.getNodeID()), am1.getApplicationAttemptId(), 19);
    // Submit app2 to queue-c and asks for a 4G container for AM
    RMApp app2 = rm1.submitApp(4 * GB, "app", "user", null, "c");
    FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(ApplicationAttemptId.newInstance(app2.getApplicationId(), 1));
    // Call editSchedule: containers are selected to be preemption candidate
    ProportionalCapacityPreemptionPolicy editPolicy = (ProportionalCapacityPreemptionPolicy) getSchedulingEditPolicy(rm1);
    editPolicy.editSchedule();
    Assert.assertEquals(3, editPolicy.getToPreemptContainers().size());
    // Call editSchedule again: selected containers are killed
    editPolicy.editSchedule();
    waitNumberOfLiveContainersFromApp(schedulerApp1, 36);
    // Call allocation, containers are reserved
    cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
    waitNumberOfReservedContainersFromApp(schedulerApp2, 1);
    // Call editSchedule twice and allocation once, container should get allocated
    editPolicy.editSchedule();
    editPolicy.editSchedule();
    int tick = 0;
    while (schedulerApp2.getLiveContainers().size() != 1 && tick < 10) {
        cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
        cs.handle(new NodeUpdateSchedulerEvent(rmNode2));
        tick++;
        Thread.sleep(100);
    }
    waitNumberOfReservedContainersFromApp(schedulerApp2, 0);
    rm1.close();
}

Example 12 with MockNM

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

the class TestContainerAllocation method testLogAggregationContextPassedIntoContainerToken.

// This is to test whether LogAggregationContext is passed into
// container tokens correctly
@Test
public void testLogAggregationContextPassedIntoContainerToken() throws Exception {
    MockRM rm1 = new MockRM(conf);
    rm1.start();
    MockNM nm1 = rm1.registerNode("127.0.0.1:1234", 8000);
    MockNM nm2 = rm1.registerNode("127.0.0.1:2345", 8000);
    // LogAggregationContext is set as null
    Assert.assertNull(getLogAggregationContextFromContainerToken(rm1, nm1, null));
    // create a not-null LogAggregationContext
    LogAggregationContext logAggregationContext = LogAggregationContext.newInstance("includePattern", "excludePattern", "rolledLogsIncludePattern", "rolledLogsExcludePattern", "policyClass", "policyParameters");
    LogAggregationContext returned = getLogAggregationContextFromContainerToken(rm1, nm2, logAggregationContext);
    Assert.assertEquals("includePattern", returned.getIncludePattern());
    Assert.assertEquals("excludePattern", returned.getExcludePattern());
    Assert.assertEquals("rolledLogsIncludePattern", returned.getRolledLogsIncludePattern());
    Assert.assertEquals("rolledLogsExcludePattern", returned.getRolledLogsExcludePattern());
    Assert.assertEquals("policyClass", returned.getLogAggregationPolicyClassName());
    Assert.assertEquals("policyParameters", returned.getLogAggregationPolicyParameters());
    rm1.stop();
}

Example 13 with MockNM

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

the class TestContainerAllocation method testExcessReservationWillBeUnreserved.

@Test(timeout = 60000)
public void testExcessReservationWillBeUnreserved() throws Exception {
    /**
     * Test case: Submit two application (app1/app2) to a queue. And there's one
     * node with 8G resource in the cluster. App1 allocates a 6G container, Then
     * app2 asks for a 4G container. App2's request will be reserved on the
     * node.
     * 
     * Before next node heartbeat, app2 cancels the reservation, we should found
     * the reserved resource is cancelled as well.
     */
    // inject node label manager
    MockRM rm1 = new MockRM();
    rm1.getRMContext().setNodeLabelManager(mgr);
    rm1.start();
    MockNM nm1 = rm1.registerNode("h1:1234", 8 * GB);
    MockNM nm2 = rm1.registerNode("h2:1234", 8 * GB);
    // launch an app to queue, AM container should be launched in nm1
    RMApp app1 = rm1.submitApp(1 * GB, "app", "user", null, "default");
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    // launch another app to queue, AM container should be launched in nm1
    RMApp app2 = rm1.submitApp(1 * GB, "app", "user", null, "default");
    MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm1);
    am1.allocate("*", 4 * GB, 1, new ArrayList<ContainerId>());
    am2.allocate("*", 4 * GB, 1, new ArrayList<ContainerId>());
    CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
    RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
    LeafQueue leafQueue = (LeafQueue) cs.getQueue("default");
    // Do node heartbeats 2 times
    // First time will allocate container for app1, second time will reserve
    // container for app2
    cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    // App2 will get preference to be allocated on node1, and node1 will be all
    // used by App2.
    FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(am1.getApplicationAttemptId());
    FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(am2.getApplicationAttemptId());
    // Check if a 4G contaienr allocated for app1, and nothing allocated for app2
    Assert.assertEquals(2, schedulerApp1.getLiveContainers().size());
    Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
    Assert.assertTrue(schedulerApp2.getReservedContainers().size() > 0);
    // NM1 has available resource = 2G (8G - 2 * 1G - 4G)
    Assert.assertEquals(2 * GB, cs.getNode(nm1.getNodeId()).getUnallocatedResource().getMemorySize());
    Assert.assertNotNull(cs.getNode(nm1.getNodeId()).getReservedContainer());
    // Usage of queue = 4G + 2 * 1G + 4G (reserved)
    Assert.assertEquals(10 * GB, cs.getRootQueue().getQueueResourceUsage().getUsed().getMemorySize());
    Assert.assertEquals(4 * GB, cs.getRootQueue().getQueueResourceUsage().getReserved().getMemorySize());
    Assert.assertEquals(4 * GB, leafQueue.getQueueResourceUsage().getReserved().getMemorySize());
    // Cancel asks of app2 and re-kick RM
    am2.allocate("*", 4 * GB, 0, new ArrayList<ContainerId>());
    cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    // App2's reservation will be cancelled
    Assert.assertTrue(schedulerApp2.getReservedContainers().size() == 0);
    Assert.assertEquals(2 * GB, cs.getNode(nm1.getNodeId()).getUnallocatedResource().getMemorySize());
    Assert.assertNull(cs.getNode(nm1.getNodeId()).getReservedContainer());
    Assert.assertEquals(6 * GB, cs.getRootQueue().getQueueResourceUsage().getUsed().getMemorySize());
    Assert.assertEquals(0, cs.getRootQueue().getQueueResourceUsage().getReserved().getMemorySize());
    Assert.assertEquals(0, leafQueue.getQueueResourceUsage().getReserved().getMemorySize());
    rm1.close();
}

Example 14 with MockNM

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

the class TestContainerAllocation method testQueuePriorityOrdering.

@Test(timeout = 60000)
public void testQueuePriorityOrdering() throws Exception {
    CapacitySchedulerConfiguration newConf = (CapacitySchedulerConfiguration) TestUtils.getConfigurationWithMultipleQueues(conf);
    // Set ordering policy
    newConf.setQueueOrderingPolicy(CapacitySchedulerConfiguration.ROOT, CapacitySchedulerConfiguration.QUEUE_PRIORITY_UTILIZATION_ORDERING_POLICY);
    // Set maximum capacity of A to 20
    newConf.setMaximumCapacity(CapacitySchedulerConfiguration.ROOT + ".a", 20);
    newConf.setQueuePriority(CapacitySchedulerConfiguration.ROOT + ".c", 1);
    newConf.setQueuePriority(CapacitySchedulerConfiguration.ROOT + ".b", 2);
    newConf.setQueuePriority(CapacitySchedulerConfiguration.ROOT + ".a", 3);
    MockRM rm1 = new MockRM(newConf);
    rm1.getRMContext().setNodeLabelManager(mgr);
    rm1.start();
    MockNM nm1 = rm1.registerNode("h1:1234", 100 * GB);
    // launch an app to queue A, AM container should be launched in nm1
    RMApp app1 = rm1.submitApp(2 * GB, "app", "user", null, "a");
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    // launch an app to queue B, AM container should be launched in nm1
    RMApp app2 = rm1.submitApp(2 * GB, "app", "user", null, "b");
    MockAM am2 = MockRM.launchAndRegisterAM(app2, rm1, nm1);
    // launch an app to queue C, AM container should be launched in nm1
    RMApp app3 = rm1.submitApp(2 * GB, "app", "user", null, "c");
    MockAM am3 = MockRM.launchAndRegisterAM(app3, rm1, nm1);
    // Each application asks 10 * 5GB containers
    am1.allocate("*", 5 * GB, 10, null);
    am2.allocate("*", 5 * GB, 10, null);
    am3.allocate("*", 5 * GB, 10, null);
    CapacityScheduler cs = (CapacityScheduler) rm1.getResourceScheduler();
    RMNode rmNode1 = rm1.getRMContext().getRMNodes().get(nm1.getNodeId());
    FiCaSchedulerApp schedulerApp1 = cs.getApplicationAttempt(am1.getApplicationAttemptId());
    FiCaSchedulerApp schedulerApp2 = cs.getApplicationAttempt(am2.getApplicationAttemptId());
    FiCaSchedulerApp schedulerApp3 = cs.getApplicationAttempt(am3.getApplicationAttemptId());
    // container will be allocated to am1
    // App1 will get 2 container allocated (plus AM container)
    cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    Assert.assertEquals(2, schedulerApp1.getLiveContainers().size());
    Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
    Assert.assertEquals(1, schedulerApp3.getLiveContainers().size());
    // container will be allocated to am1 again,
    // App1 will get 3 container allocated (plus AM container)
    cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    Assert.assertEquals(3, schedulerApp1.getLiveContainers().size());
    Assert.assertEquals(1, schedulerApp2.getLiveContainers().size());
    Assert.assertEquals(1, schedulerApp3.getLiveContainers().size());
    // (Now usages of queues: a=12G (satisfied), b=2G, c=2G)
    // container will be allocated to am2 (since app1 reaches its guaranteed
    // capacity)
    // App2 will get 2 container allocated (plus AM container)
    cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    Assert.assertEquals(3, schedulerApp1.getLiveContainers().size());
    Assert.assertEquals(2, schedulerApp2.getLiveContainers().size());
    Assert.assertEquals(1, schedulerApp3.getLiveContainers().size());
    // App2 will get 2 container allocated (plus AM container)
    for (int i = 0; i < 3; i++) {
        cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    }
    Assert.assertEquals(3, schedulerApp1.getLiveContainers().size());
    Assert.assertEquals(5, schedulerApp2.getLiveContainers().size());
    Assert.assertEquals(1, schedulerApp3.getLiveContainers().size());
    // Do this 10 times
    for (int i = 0; i < 10; i++) {
        cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    }
    Assert.assertEquals(3, schedulerApp1.getLiveContainers().size());
    Assert.assertEquals(5, schedulerApp2.getLiveContainers().size());
    Assert.assertEquals(11, schedulerApp3.getLiveContainers().size());
    // Do this 20 times, we can only allocate 3 containers, 1 to A and 3 to B
    for (int i = 0; i < 20; i++) {
        cs.handle(new NodeUpdateSchedulerEvent(rmNode1));
    }
    Assert.assertEquals(4, schedulerApp1.getLiveContainers().size());
    Assert.assertEquals(6, schedulerApp2.getLiveContainers().size());
    Assert.assertEquals(11, schedulerApp3.getLiveContainers().size());
    // (Now usages of queues: a=17G (satisfied), b=27G (satisfied), c=52G))
    rm1.close();
}

Example 15 with MockNM

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

the class TestContainerAllocation method testContainerTokenGeneratedOnPullRequest.

// This is to test container tokens are generated when the containers are
// acquired by the AM, not when the containers are allocated
@Test
public void testContainerTokenGeneratedOnPullRequest() throws Exception {
    MockRM rm1 = new MockRM(conf);
    rm1.start();
    MockNM nm1 = rm1.registerNode("127.0.0.1:1234", 8000);
    RMApp app1 = rm1.submitApp(200);
    MockAM am1 = MockRM.launchAndRegisterAM(app1, rm1, nm1);
    // request a container.
    am1.allocate("127.0.0.1", 1024, 1, new ArrayList<ContainerId>());
    ContainerId containerId2 = ContainerId.newContainerId(am1.getApplicationAttemptId(), 2);
    rm1.waitForState(nm1, containerId2, RMContainerState.ALLOCATED);
    RMContainer container = rm1.getResourceScheduler().getRMContainer(containerId2);
    // no container token is generated.
    Assert.assertEquals(containerId2, container.getContainerId());
    Assert.assertNull(container.getContainer().getContainerToken());
    // acquire the container.
    List<Container> containers = am1.allocate(new ArrayList<ResourceRequest>(), new ArrayList<ContainerId>()).getAllocatedContainers();
    Assert.assertEquals(containerId2, containers.get(0).getId());
    // container token is generated.
    Assert.assertNotNull(containers.get(0).getContainerToken());
    rm1.stop();
}