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

Examples of org.apache.hadoop.yarn.server.resourcemanager.scheduler.fifo.FifoScheduler.handle()

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    // verify n3 is not qualified to be allocated
    fs.handle(new NodeUpdateSchedulerEvent(n3));
    Allocation allocation5 = fs.allocate(appAttemptId1, emptyAsk, emptyId, null, null);
    Assert.assertEquals("allocation5", 0, allocation5.getContainers().size());
   
    fs.handle(new NodeUpdateSchedulerEvent(n4));
    Allocation allocation6 = fs.allocate(appAttemptId1, emptyAsk, emptyId, null, null);
    Assert.assertEquals("allocation6", 1, allocation6.getContainers().size());
   
    containerList = allocation6.getContainers();
    for (Container container : containerList) {
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    FifoScheduler fs = (FifoScheduler) rm.getResourceScheduler();

    // Add a node
    RMNode n1 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(4 * GB), 1, "127.0.0.2");
    fs.handle(new NodeAddedSchedulerEvent(n1));
   
    // Add two applications
    ApplicationId appId1 = BuilderUtils.newApplicationId(100, 1);
    ApplicationAttemptId appAttemptId1 = BuilderUtils.newApplicationAttemptId(
        appId1, 1);
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    ApplicationId appId1 = BuilderUtils.newApplicationId(100, 1);
    ApplicationAttemptId appAttemptId1 = BuilderUtils.newApplicationAttemptId(
        appId1, 1);
    SchedulerEvent appEvent =
        new AppAddedSchedulerEvent(appId1, "queue", "user");
    fs.handle(appEvent);
    SchedulerEvent attemptEvent =
        new AppAttemptAddedSchedulerEvent(appAttemptId1, false);
    fs.handle(attemptEvent);

    ApplicationId appId2 = BuilderUtils.newApplicationId(200, 2);
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    SchedulerEvent appEvent =
        new AppAddedSchedulerEvent(appId1, "queue", "user");
    fs.handle(appEvent);
    SchedulerEvent attemptEvent =
        new AppAttemptAddedSchedulerEvent(appAttemptId1, false);
    fs.handle(attemptEvent);

    ApplicationId appId2 = BuilderUtils.newApplicationId(200, 2);
    ApplicationAttemptId appAttemptId2 = BuilderUtils.newApplicationAttemptId(
        appId2, 1);
    SchedulerEvent appEvent2 =
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    ApplicationId appId2 = BuilderUtils.newApplicationId(200, 2);
    ApplicationAttemptId appAttemptId2 = BuilderUtils.newApplicationAttemptId(
        appId2, 1);
    SchedulerEvent appEvent2 =
        new AppAddedSchedulerEvent(appId2, "queue", "user");
    fs.handle(appEvent2);
    SchedulerEvent attemptEvent2 =
        new AppAttemptAddedSchedulerEvent(appAttemptId2, false);
    fs.handle(attemptEvent2);

    List<ContainerId> emptyId = new ArrayList<ContainerId>();
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    SchedulerEvent appEvent2 =
        new AppAddedSchedulerEvent(appId2, "queue", "user");
    fs.handle(appEvent2);
    SchedulerEvent attemptEvent2 =
        new AppAttemptAddedSchedulerEvent(appAttemptId2, false);
    fs.handle(attemptEvent2);

    List<ContainerId> emptyId = new ArrayList<ContainerId>();
    List<ResourceRequest> emptyAsk = new ArrayList<ResourceRequest>();

    // Set up resource requests
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    fs.reinitialize(conf, null);

    RMNode n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(4 * GB), 1);
    RMNode n2 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 2);

    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n2));
    List<ContainerStatus> emptyList = new ArrayList<ContainerStatus>();
    fs.handle(new NodeUpdateSchedulerEvent(n1, emptyList, emptyList));
    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

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    RMNode n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(4 * GB), 1);
    RMNode n2 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 2);

    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n2));
    List<ContainerStatus> emptyList = new ArrayList<ContainerStatus>();
    fs.handle(new NodeUpdateSchedulerEvent(n1, emptyList, emptyList));
    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

    // reconnect n1 with downgraded memory
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    RMNode n2 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 2);

    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n2));
    List<ContainerStatus> emptyList = new ArrayList<ContainerStatus>();
    fs.handle(new NodeUpdateSchedulerEvent(n1, emptyList, emptyList));
    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

    // reconnect n1 with downgraded memory
    n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1);
    fs.handle(new NodeRemovedSchedulerEvent(n1));
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    fs.handle(new NodeUpdateSchedulerEvent(n1, emptyList, emptyList));
    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

    // reconnect n1 with downgraded memory
    n1 = MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1);
    fs.handle(new NodeRemovedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeUpdateSchedulerEvent(n1, emptyList, emptyList));

    Assert.assertEquals(4 * GB, fs.getRootQueueMetrics().getAvailableMB());
  }
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