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

Example 91 with NodeAddedSchedulerEvent

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

the class TestFairScheduler method testHostPortNodeName.

@Test(timeout = 30000)
public void testHostPortNodeName() throws Exception {
    conf.setBoolean(YarnConfiguration.RM_SCHEDULER_INCLUDE_PORT_IN_NODE_NAME, true);
    scheduler.init(conf);
    scheduler.start();
    scheduler.reinitialize(conf, resourceManager.getRMContext());
    RMNode node1 = MockNodes.newNodeInfo(1, Resources.createResource(1024), 1, "127.0.0.1", 1);
    NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
    scheduler.handle(nodeEvent1);
    RMNode node2 = MockNodes.newNodeInfo(1, Resources.createResource(1024), 2, "127.0.0.1", 2);
    NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2);
    scheduler.handle(nodeEvent2);
    ApplicationAttemptId attId1 = createSchedulingRequest(1024, "queue1", "user1", 0);
    ResourceRequest nodeRequest = createResourceRequest(1024, node1.getNodeID().getHost() + ":" + node1.getNodeID().getPort(), 1, 1, true);
    ResourceRequest rackRequest = createResourceRequest(1024, node1.getRackName(), 1, 1, false);
    ResourceRequest anyRequest = createResourceRequest(1024, ResourceRequest.ANY, 1, 1, false);
    createSchedulingRequestExistingApplication(nodeRequest, attId1);
    createSchedulingRequestExistingApplication(rackRequest, attId1);
    createSchedulingRequestExistingApplication(anyRequest, attId1);
    scheduler.update();
    NodeUpdateSchedulerEvent node1UpdateEvent = new NodeUpdateSchedulerEvent(node1);
    NodeUpdateSchedulerEvent node2UpdateEvent = new NodeUpdateSchedulerEvent(node2);
    // no matter how many heartbeats, node2 should never get a container  
    FSAppAttempt app = scheduler.getSchedulerApp(attId1);
    for (int i = 0; i < 10; i++) {
        scheduler.handle(node2UpdateEvent);
        assertEquals(0, app.getLiveContainers().size());
        assertEquals(0, app.getReservedContainers().size());
    }
    // then node1 should get the container  
    scheduler.handle(node1UpdateEvent);
    assertEquals(1, app.getLiveContainers().size());
}

Example 92 with NodeAddedSchedulerEvent

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

the class TestFairScheduler method testSimpleFairShareCalculation.

@Test
public void testSimpleFairShareCalculation() throws IOException {
    scheduler.init(conf);
    scheduler.start();
    scheduler.reinitialize(conf, resourceManager.getRMContext());
    // Add one big node (only care about aggregate capacity)
    RMNode node1 = MockNodes.newNodeInfo(1, Resources.createResource(10 * 1024), 1, "127.0.0.1");
    NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
    scheduler.handle(nodeEvent1);
    // Have two queues which want entire cluster capacity
    createSchedulingRequest(10 * 1024, "queue1", "user1");
    createSchedulingRequest(10 * 1024, "queue2", "user1");
    createSchedulingRequest(10 * 1024, "root.default", "user1");
    scheduler.update();
    scheduler.getQueueManager().getRootQueue().setSteadyFairShare(scheduler.getClusterResource());
    scheduler.getQueueManager().getRootQueue().recomputeSteadyShares();
    Collection<FSLeafQueue> queues = scheduler.getQueueManager().getLeafQueues();
    assertEquals(3, queues.size());
    // Divided three ways - between the two queues and the default queue
    for (FSLeafQueue p : queues) {
        assertEquals(3414, p.getFairShare().getMemorySize());
        assertEquals(3414, p.getMetrics().getFairShareMB());
        assertEquals(3414, p.getSteadyFairShare().getMemorySize());
        assertEquals(3414, p.getMetrics().getSteadyFairShareMB());
    }
}

Example 93 with NodeAddedSchedulerEvent

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

the class TestFairScheduler method testOffSwitchAppReservationThreshold.

@Test(timeout = 5000)
public void testOffSwitchAppReservationThreshold() throws Exception {
    conf.setFloat(FairSchedulerConfiguration.RESERVABLE_NODES, 0.50f);
    scheduler.init(conf);
    scheduler.start();
    scheduler.reinitialize(conf, resourceManager.getRMContext());
    // Add three node
    RMNode node1 = MockNodes.newNodeInfo(1, Resources.createResource(3072), 1, "127.0.0.1");
    NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
    scheduler.handle(nodeEvent1);
    RMNode node2 = MockNodes.newNodeInfo(1, Resources.createResource(3072), 1, "127.0.0.2");
    NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2);
    scheduler.handle(nodeEvent2);
    RMNode node3 = MockNodes.newNodeInfo(1, Resources.createResource(3072), 1, "127.0.0.3");
    NodeAddedSchedulerEvent nodeEvent3 = new NodeAddedSchedulerEvent(node3);
    scheduler.handle(nodeEvent3);
    // Ensure capacity on all nodes are allocated
    createSchedulingRequest(2048, "queue1", "user1", 1);
    scheduler.update();
    scheduler.handle(new NodeUpdateSchedulerEvent(node1));
    createSchedulingRequest(2048, "queue1", "user1", 1);
    scheduler.update();
    scheduler.handle(new NodeUpdateSchedulerEvent(node2));
    createSchedulingRequest(2048, "queue1", "user1", 1);
    scheduler.update();
    scheduler.handle(new NodeUpdateSchedulerEvent(node3));
    // Verify capacity allocation
    assertEquals(6144, scheduler.getQueueManager().getQueue("queue1").getResourceUsage().getMemorySize());
    // Create new app with a resource request that can be satisfied by any
    // node but would be
    ApplicationAttemptId attId = createSchedulingRequest(2048, "queue1", "user1", 1);
    scheduler.update();
    scheduler.handle(new NodeUpdateSchedulerEvent(node1));
    assertEquals(1, scheduler.getSchedulerApp(attId).getNumReservations(null, true));
    scheduler.update();
    scheduler.handle(new NodeUpdateSchedulerEvent(node2));
    assertEquals(2, scheduler.getSchedulerApp(attId).getNumReservations(null, true));
    scheduler.update();
    scheduler.handle(new NodeUpdateSchedulerEvent(node3));
    // No new reservations should happen since it exceeds threshold
    assertEquals(2, scheduler.getSchedulerApp(attId).getNumReservations(null, true));
    // Add 1 more node
    RMNode node4 = MockNodes.newNodeInfo(1, Resources.createResource(3072), 1, "127.0.0.4");
    NodeAddedSchedulerEvent nodeEvent4 = new NodeAddedSchedulerEvent(node4);
    scheduler.handle(nodeEvent4);
    // New node satisfies resource request
    scheduler.update();
    scheduler.handle(new NodeUpdateSchedulerEvent(node4));
    assertEquals(8192, scheduler.getQueueManager().getQueue("queue1").getResourceUsage().getMemorySize());
    scheduler.handle(new NodeUpdateSchedulerEvent(node1));
    scheduler.handle(new NodeUpdateSchedulerEvent(node2));
    scheduler.handle(new NodeUpdateSchedulerEvent(node3));
    scheduler.update();
    // Verify number of reservations have decremented
    assertEquals(0, scheduler.getSchedulerApp(attId).getNumReservations(null, true));
}

Example 94 with NodeAddedSchedulerEvent

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

the class TestFairScheduler method testReservationThresholdGatesReservations.

@Test
public void testReservationThresholdGatesReservations() throws Exception {
    conf.set(FairSchedulerConfiguration.ALLOCATION_FILE, ALLOC_FILE);
    PrintWriter out = new PrintWriter(new FileWriter(ALLOC_FILE));
    out.println("<?xml version=\"1.0\"?>");
    out.println("<allocations>");
    out.println("<defaultQueueSchedulingPolicy>drf" + "</defaultQueueSchedulingPolicy>");
    out.println("</allocations>");
    out.close();
    // Set threshold to 2 * 1024 ==> 2048 MB & 2 * 1 ==> 2 vcores (test will
    // use vcores)
    conf.setFloat(FairSchedulerConfiguration.RM_SCHEDULER_RESERVATION_THRESHOLD_INCREMENT_MULTIPLE, 2f);
    scheduler.init(conf);
    scheduler.start();
    scheduler.reinitialize(conf, resourceManager.getRMContext());
    // Add a node
    RMNode node1 = MockNodes.newNodeInfo(1, Resources.createResource(4096, 4), 1, "127.0.0.1");
    NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
    scheduler.handle(nodeEvent1);
    // Queue 1 requests full capacity of node
    createSchedulingRequest(4096, 4, "queue1", "user1", 1, 1);
    scheduler.update();
    NodeUpdateSchedulerEvent updateEvent = new NodeUpdateSchedulerEvent(node1);
    scheduler.handle(updateEvent);
    // Make sure queue 1 is allocated app capacity
    assertEquals(4096, scheduler.getQueueManager().getQueue("queue1").getResourceUsage().getMemorySize());
    // Now queue 2 requests below threshold
    ApplicationAttemptId attId = createSchedulingRequest(1024, "queue2", "user1", 1);
    scheduler.update();
    scheduler.handle(updateEvent);
    // Make sure queue 2 has no reservation
    assertEquals(0, scheduler.getQueueManager().getQueue("queue2").getResourceUsage().getMemorySize());
    assertEquals(0, scheduler.getSchedulerApp(attId).getReservedContainers().size());
    // Now queue requests CPU above threshold
    createSchedulingRequestExistingApplication(1024, 3, 1, attId);
    scheduler.update();
    scheduler.handle(updateEvent);
    // Make sure queue 2 is waiting with a reservation
    assertEquals(0, scheduler.getQueueManager().getQueue("queue2").getResourceUsage().getMemorySize());
    assertEquals(3, scheduler.getSchedulerApp(attId).getCurrentReservation().getVirtualCores());
    // Now another node checks in with capacity
    RMNode node2 = MockNodes.newNodeInfo(1, Resources.createResource(1024, 4), 2, "127.0.0.2");
    NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2);
    NodeUpdateSchedulerEvent updateEvent2 = new NodeUpdateSchedulerEvent(node2);
    scheduler.handle(nodeEvent2);
    scheduler.handle(updateEvent2);
    // Make sure this goes to queue 2
    assertEquals(3, scheduler.getQueueManager().getQueue("queue2").getResourceUsage().getVirtualCores());
    // The old reservation should still be there...
    assertEquals(3, scheduler.getSchedulerApp(attId).getCurrentReservation().getVirtualCores());
    // ... but it should disappear when we update the first node.
    scheduler.handle(updateEvent);
    assertEquals(0, scheduler.getSchedulerApp(attId).getCurrentReservation().getVirtualCores());
}

Example 95 with NodeAddedSchedulerEvent

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

the class TestFairScheduler method testReservationsStrictLocality.

/**
   * Strict locality requests shouldn't reserve resources on another node.
   */
@Test
public void testReservationsStrictLocality() throws IOException {
    scheduler.init(conf);
    scheduler.start();
    scheduler.reinitialize(conf, resourceManager.getRMContext());
    // Add two nodes
    RMNode node1 = MockNodes.newNodeInfo(1, Resources.createResource(1024, 1));
    NodeAddedSchedulerEvent nodeEvent1 = new NodeAddedSchedulerEvent(node1);
    scheduler.handle(nodeEvent1);
    RMNode node2 = MockNodes.newNodeInfo(1, Resources.createResource(1024, 1));
    NodeAddedSchedulerEvent nodeEvent2 = new NodeAddedSchedulerEvent(node2);
    scheduler.handle(nodeEvent2);
    // Submit application without container requests
    ApplicationAttemptId attId = createSchedulingRequest(1024, "queue1", "user1", 0);
    FSAppAttempt app = scheduler.getSchedulerApp(attId);
    // Request a container on node2
    ResourceRequest nodeRequest = createResourceRequest(1024, node2.getHostName(), 1, 1, true);
    ResourceRequest rackRequest = createResourceRequest(1024, "rack1", 1, 1, false);
    ResourceRequest anyRequest = createResourceRequest(1024, ResourceRequest.ANY, 1, 1, false);
    createSchedulingRequestExistingApplication(nodeRequest, attId);
    createSchedulingRequestExistingApplication(rackRequest, attId);
    createSchedulingRequestExistingApplication(anyRequest, attId);
    scheduler.update();
    // Heartbeat from node1. App shouldn't get an allocation or reservation
    NodeUpdateSchedulerEvent nodeUpdateEvent = new NodeUpdateSchedulerEvent(node1);
    scheduler.handle(nodeUpdateEvent);
    assertEquals("App assigned a container on the wrong node", 0, app.getLiveContainers().size());
    scheduler.handle(nodeUpdateEvent);
    assertEquals("App reserved a container on the wrong node", 0, app.getReservedContainers().size());
}