Package org.apache.hadoop.yarn.server.resourcemanager.scheduler

Examples of org.apache.hadoop.yarn.server.resourcemanager.scheduler.SchedulerNode

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      RMContainerState.RUNNING);
    rm2.waitForContainerToComplete(loadedAttempt1, completedContainer);

    AbstractYarnScheduler scheduler =
        (AbstractYarnScheduler) rm2.getResourceScheduler();
    SchedulerNode schedulerNode1 = scheduler.getSchedulerNode(nm1.getNodeId());

    // ********* 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.getAvailableResource());
    assertEquals(usedResources, schedulerNode1.getUsedResource());
    Resource availableResources = Resources.subtract(nmResource, usedResources);

    // ***** check queue state based on the underlying scheduler ********
    Map<ApplicationId, SchedulerApplication> schedulerApps =
        ((AbstractYarnScheduler) rm2.getResourceScheduler())
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    a.submitApplication(app_1, user_0, B);  // same user

   
    // Setup some nodes
    String host_0 = "host_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, DEFAULT_RACK, 0, 8*GB);
   
    final int numNodes = 1;
    Resource clusterResource = Resources.createResource(numNodes * (8*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);

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    a.submitApplication(app_1, user_0, A);  // same user

   
    // Setup some nodes
    String host_0 = "host_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, DEFAULT_RACK, 0, 8*GB);
   
    final int numNodes = 1;
    Resource clusterResource = Resources.createResource(numNodes * (8*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);

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            a.getActiveUsersManager(), rmContext, null);
    a.submitApplication(app_2, user_1, A);

    // Setup some nodes
    String host_0 = "host_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, DEFAULT_RACK, 0, 8*GB);
    String host_1 = "host_1";
    SchedulerNode node_1 = TestUtils.getMockNode(host_1, DEFAULT_RACK, 0, 8*GB);
   
    final int numNodes = 2;
    Resource clusterResource = Resources.createResource(numNodes * (8*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);
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            a.getActiveUsersManager(), rmContext, null);
    a.submitApplication(app_2, user_1, A);

    // Setup some nodes
    String host_0 = "host_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, DEFAULT_RACK, 0, 8*GB);
    String host_1 = "host_1";
    SchedulerNode node_1 = TestUtils.getMockNode(host_1, DEFAULT_RACK, 0, 8*GB);
   
    final int numNodes = 2;
    Resource clusterResource = Resources.createResource(numNodes * (8*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);
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            a.getActiveUsersManager(), rmContext, null);
    a.submitApplication(app_3, user_2, A);
   
    // Setup some nodes
    String host_0 = "host_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, DEFAULT_RACK, 0, 8*GB);
   
    final int numNodes = 1;
    Resource clusterResource = Resources.createResource(numNodes * (8*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);
   
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            mock(ActiveUsersManager.class), rmContext, null);
    a.submitApplication(app_1, user_1, A); 

    // Setup some nodes
    String host_0 = "host_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, DEFAULT_RACK, 0, 4*GB);
   
    final int numNodes = 2;
    Resource clusterResource = Resources.createResource(numNodes * (4*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);
   
    // Setup resource-requests
    Priority priority = TestUtils.createMockPriority(1);
    app_0.updateResourceRequests(Collections.singletonList(
            TestUtils.createResourceRequest(RMNodeImpl.ANY, 1*GB, 2, priority,
                recordFactory)));

    app_1.updateResourceRequests(Collections.singletonList(
        TestUtils.createResourceRequest(RMNodeImpl.ANY, 4*GB, 1, priority,
            recordFactory)));

    // Start testing...
   
    // Only 1 container
    a.assignContainers(clusterResource, node_0);
    assertEquals(1*GB, a.getUsedResources().getMemory());
    assertEquals(1*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(0*GB, a.getMetrics().getReservedMB());
    assertEquals(1*GB, a.getMetrics().getAllocatedMB());
    assertEquals(0*GB, a.getMetrics().getAvailableMB());

    // Also 2nd -> minCapacity = 1024 since (.1 * 8G) < minAlloc, also
    // you can get one container more than user-limit
    a.assignContainers(clusterResource, node_0);
    assertEquals(2*GB, a.getUsedResources().getMemory());
    assertEquals(2*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(0*GB, a.getMetrics().getReservedMB());
    assertEquals(2*GB, a.getMetrics().getAllocatedMB());
   
    // Now, reservation should kick in for app_1
    a.assignContainers(clusterResource, node_0);
    assertEquals(6*GB, a.getUsedResources().getMemory());
    assertEquals(2*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(4*GB, app_1.getCurrentReservation().getMemory());
    assertEquals(2*GB, node_0.getUsedResource().getMemory());
    assertEquals(4*GB, a.getMetrics().getReservedMB());
    assertEquals(2*GB, a.getMetrics().getAllocatedMB());
   
    // Now free 1 container from app_0 i.e. 1G
    a.completedContainer(clusterResource, app_0, node_0,
        app_0.getLiveContainers().iterator().next(), null, RMContainerEventType.KILL);
    a.assignContainers(clusterResource, node_0);
    assertEquals(5*GB, a.getUsedResources().getMemory());
    assertEquals(1*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(4*GB, app_1.getCurrentReservation().getMemory());
    assertEquals(1*GB, node_0.getUsedResource().getMemory());
    assertEquals(4*GB, a.getMetrics().getReservedMB());
    assertEquals(1*GB, a.getMetrics().getAllocatedMB());

    // Now finish another container from app_0 and fulfill the reservation
    a.completedContainer(clusterResource, app_0, node_0,
        app_0.getLiveContainers().iterator().next(), null, RMContainerEventType.KILL);
    a.assignContainers(clusterResource, node_0);
    assertEquals(4*GB, a.getUsedResources().getMemory());
    assertEquals(0*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(4*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentReservation().getMemory());
    assertEquals(4*GB, node_0.getUsedResource().getMemory());
    assertEquals(0*GB, a.getMetrics().getReservedMB());
    assertEquals(4*GB, a.getMetrics().getAllocatedMB());
  }
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            mock(ActiveUsersManager.class), rmContext, null);
    a.submitApplication(app_1, user_1, A); 

    // Setup some nodes
    String host_0 = "host_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, DEFAULT_RACK, 0, 4*GB);
   
    String host_1 = "host_1";
    SchedulerNode node_1 = TestUtils.getMockNode(host_1, DEFAULT_RACK, 0, 4*GB);
   
    final int numNodes = 3;
    Resource clusterResource = Resources.createResource(numNodes * (4*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);
    when(csContext.getMaximumResourceCapability()).thenReturn(
        Resources.createResource(4*GB));
    when(a.getMaximumAllocation()).thenReturn(Resources.createResource(4*GB));
    when(a.getMinimumAllocationFactor()).thenReturn(0.25f); // 1G / 4G
   
    // Setup resource-requests
    Priority priority = TestUtils.createMockPriority(1);
    app_0.updateResourceRequests(Collections.singletonList(
            TestUtils.createResourceRequest(RMNodeImpl.ANY, 1*GB, 2, priority,
                recordFactory)));

    app_1.updateResourceRequests(Collections.singletonList(
        TestUtils.createResourceRequest(RMNodeImpl.ANY, 4*GB, 1, priority,
            recordFactory)));

    // Start testing...
   
    // Only 1 container
    a.assignContainers(clusterResource, node_0);
    assertEquals(1*GB, a.getUsedResources().getMemory());
    assertEquals(1*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());

    // Also 2nd -> minCapacity = 1024 since (.1 * 8G) < minAlloc, also
    // you can get one container more than user-limit
    a.assignContainers(clusterResource, node_0);
    assertEquals(2*GB, a.getUsedResources().getMemory());
    assertEquals(2*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
   
    // Now, reservation should kick in for app_1
    a.assignContainers(clusterResource, node_0);
    assertEquals(6*GB, a.getUsedResources().getMemory());
    assertEquals(2*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(4*GB, app_1.getCurrentReservation().getMemory());
    assertEquals(2*GB, node_0.getUsedResource().getMemory());
   
    // Now free 1 container from app_0 i.e. 1G, and re-reserve it
    a.completedContainer(clusterResource, app_0, node_0,
        app_0.getLiveContainers().iterator().next(), null, RMContainerEventType.KILL);
    a.assignContainers(clusterResource, node_0);
    assertEquals(5*GB, a.getUsedResources().getMemory());
    assertEquals(1*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(4*GB, app_1.getCurrentReservation().getMemory());
    assertEquals(1*GB, node_0.getUsedResource().getMemory());
    assertEquals(1, app_1.getReReservations(priority));

    // Re-reserve
    a.assignContainers(clusterResource, node_0);
    assertEquals(5*GB, a.getUsedResources().getMemory());
    assertEquals(1*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(0*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(4*GB, app_1.getCurrentReservation().getMemory());
    assertEquals(1*GB, node_0.getUsedResource().getMemory());
    assertEquals(2, app_1.getReReservations(priority));
   
    // Try to schedule on node_1 now, should *move* the reservation
    a.assignContainers(clusterResource, node_1);
    assertEquals(9*GB, a.getUsedResources().getMemory());
    assertEquals(1*GB, app_0.getCurrentConsumption().getMemory());
    assertEquals(4*GB, app_1.getCurrentConsumption().getMemory());
    assertEquals(4*GB, app_1.getCurrentReservation().getMemory());
    assertEquals(4*GB, node_1.getUsedResource().getMemory());
    // Doesn't change yet... only when reservation is cancelled or a different
    // container is reserved
    assertEquals(2, app_1.getReReservations(priority));
   
    // Now finish another container from app_0 and see the reservation cancelled
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    a.submitApplication(app_0, user_0, A);
   
    // Setup some nodes and racks
    String host_0 = "host_0";
    String rack_0 = "rack_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, rack_0, 0, 8*GB);
   
    String host_1 = "host_1";
    String rack_1 = "rack_1";
    SchedulerNode node_1 = TestUtils.getMockNode(host_1, rack_1, 0, 8*GB);
   
    String host_2 = "host_2";
    String rack_2 = "rack_2";
    SchedulerNode node_2 = TestUtils.getMockNode(host_2, rack_2, 0, 8*GB);

    final int numNodes = 3;
    Resource clusterResource = Resources.createResource(numNodes * (8*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);
   
    // Setup resource-requests and submit
    Priority priority = TestUtils.createMockPriority(1);
    List<ResourceRequest> app_0_requests_0 = new ArrayList<ResourceRequest>();
    app_0_requests_0.add(
        TestUtils.createResourceRequest(host_0, 1*GB, 1,
            priority, recordFactory));
    app_0_requests_0.add(
        TestUtils.createResourceRequest(rack_0, 1*GB, 1,
            priority, recordFactory));
    app_0_requests_0.add(
        TestUtils.createResourceRequest(host_1, 1*GB, 1,
            priority, recordFactory));
    app_0_requests_0.add(
        TestUtils.createResourceRequest(rack_1, 1*GB, 1,
            priority, recordFactory));
    app_0_requests_0.add(
        TestUtils.createResourceRequest(RMNodeImpl.ANY, 1*GB, 3, // one extra
            priority, recordFactory));
    app_0.updateResourceRequests(app_0_requests_0);

    // Start testing...
    CSAssignment assignment = null;
   
    // Start with off switch, shouldn't allocate due to delay scheduling
    assignment = a.assignContainers(clusterResource, node_2);
    verify(app_0, never()).allocate(any(NodeType.class), eq(node_2),
        any(Priority.class), any(ResourceRequest.class), any(Container.class));
    assertEquals(1, app_0.getSchedulingOpportunities(priority));
    assertEquals(3, app_0.getTotalRequiredResources(priority));
    assertEquals(NodeType.NODE_LOCAL, assignment.getType()); // None->NODE_LOCAL

    // Another off switch, shouldn't allocate due to delay scheduling
    assignment = a.assignContainers(clusterResource, node_2);
    verify(app_0, never()).allocate(any(NodeType.class), eq(node_2),
        any(Priority.class), any(ResourceRequest.class), any(Container.class));
    assertEquals(2, app_0.getSchedulingOpportunities(priority));
    assertEquals(3, app_0.getTotalRequiredResources(priority));
    assertEquals(NodeType.NODE_LOCAL, assignment.getType()); // None->NODE_LOCAL
   
    // Another off switch, shouldn't allocate due to delay scheduling
    assignment = a.assignContainers(clusterResource, node_2);
    verify(app_0, never()).allocate(any(NodeType.class), eq(node_2),
        any(Priority.class), any(ResourceRequest.class), any(Container.class));
    assertEquals(3, app_0.getSchedulingOpportunities(priority));
    assertEquals(3, app_0.getTotalRequiredResources(priority));
    assertEquals(NodeType.NODE_LOCAL, assignment.getType()); // None->NODE_LOCAL
   
    // Another off switch, now we should allocate
    // since missedOpportunities=3 and reqdContainers=3
    assignment = a.assignContainers(clusterResource, node_2);
    verify(app_0).allocate(eq(NodeType.OFF_SWITCH), eq(node_2),
        any(Priority.class), any(ResourceRequest.class), any(Container.class));
    assertEquals(0, app_0.getSchedulingOpportunities(priority)); // should reset
    assertEquals(2, app_0.getTotalRequiredResources(priority));
    assertEquals(NodeType.OFF_SWITCH, assignment.getType());
   
    // NODE_LOCAL - node_0
    assignment = a.assignContainers(clusterResource, node_0);
    verify(app_0).allocate(eq(NodeType.NODE_LOCAL), eq(node_0),
        any(Priority.class), any(ResourceRequest.class), any(Container.class));
    assertEquals(0, app_0.getSchedulingOpportunities(priority)); // should reset
    assertEquals(1, app_0.getTotalRequiredResources(priority));
    assertEquals(NodeType.NODE_LOCAL, assignment.getType());
   
    // NODE_LOCAL - node_1
    assignment = a.assignContainers(clusterResource, node_1);
    verify(app_0).allocate(eq(NodeType.NODE_LOCAL), eq(node_1),
        any(Priority.class), any(ResourceRequest.class), any(Container.class));
    assertEquals(0, app_0.getSchedulingOpportunities(priority)); // should reset
    assertEquals(0, app_0.getTotalRequiredResources(priority));
    assertEquals(NodeType.NODE_LOCAL, assignment.getType());
   
    // Add 1 more request to check for RACK_LOCAL
    app_0_requests_0.clear();
    app_0_requests_0.add(
        TestUtils.createResourceRequest(host_1, 1*GB, 1,
            priority, recordFactory));
    app_0_requests_0.add(
        TestUtils.createResourceRequest(rack_1, 1*GB, 1,
            priority, recordFactory));
    app_0_requests_0.add(
        TestUtils.createResourceRequest(RMNodeImpl.ANY, 1*GB, 1, // one extra
            priority, recordFactory));
    app_0.updateResourceRequests(app_0_requests_0);
    assertEquals(1, app_0.getTotalRequiredResources(priority));
   
    String host_3 = "host_3"; // on rack_1
    SchedulerNode node_3 = TestUtils.getMockNode(host_3, rack_1, 0, 8*GB);
   
    assignment = a.assignContainers(clusterResource, node_3);
    verify(app_0).allocate(eq(NodeType.RACK_LOCAL), eq(node_3),
        any(Priority.class), any(ResourceRequest.class), any(Container.class));
    assertEquals(0, app_0.getSchedulingOpportunities(priority)); // should reset
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    a.submitApplication(app_0, user_0, A);
   
    // Setup some nodes and racks
    String host_0 = "host_0";
    String rack_0 = "rack_0";
    SchedulerNode node_0 = TestUtils.getMockNode(host_0, rack_0, 0, 8*GB);
   
    String host_1 = "host_1";
    String rack_1 = "rack_1";
    SchedulerNode node_1 = TestUtils.getMockNode(host_1, rack_1, 0, 8*GB);
   
    String host_2 = "host_2";
    String rack_2 = "rack_2";
    SchedulerNode node_2 = TestUtils.getMockNode(host_2, rack_2, 0, 8*GB);

    final int numNodes = 3;
    Resource clusterResource = Resources.createResource(numNodes * (8*GB));
    when(csContext.getNumClusterNodes()).thenReturn(numNodes);
   
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