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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    ask2.add(BuilderUtils.newResourceRequest(BuilderUtils.newPriority(0),
        ResourceRequest.ANY, BuilderUtils.newResource(2 * GB, 1), 1));
    fs.allocate(appAttemptId2, ask2, emptyId, null, null);
   
    // Trigger container assignment
    fs.handle(new NodeUpdateSchedulerEvent(n1));
   
    // Get the allocation for the applications and verify headroom
    Allocation allocation1 = fs.allocate(appAttemptId1, emptyAsk, emptyId, null, null);
    Assert.assertEquals("Allocation headroom", 1 * GB,
        allocation1.getResourceLimit().getMemory());
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    scheduler.start();
    scheduler.reinitialize(conf, rm.getRMContext());

    RMNode node = MockNodes.newNodeInfo(1,
            Resources.createResource(1024, 4), 1, "127.0.0.1");
    scheduler.handle(new NodeAddedSchedulerEvent(node));

    ApplicationId appId = ApplicationId.newInstance(0, 1);
    scheduler.addApplication(appId, "queue1", "user1");

    NodeUpdateSchedulerEvent updateEvent = new NodeUpdateSchedulerEvent(node);
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    ApplicationId appId = ApplicationId.newInstance(0, 1);
    scheduler.addApplication(appId, "queue1", "user1");

    NodeUpdateSchedulerEvent updateEvent = new NodeUpdateSchedulerEvent(node);
    try {
      scheduler.handle(updateEvent);
    } catch (NullPointerException e) {
        Assert.fail();
    }

    ApplicationAttemptId attId = ApplicationAttemptId.newInstance(appId, 1);
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    RMNode n1 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(4 * GB), 1, "127.0.0.2");
    RMNode n2 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 2, "127.0.0.3");

    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n2));
    fs.handle(new NodeUpdateSchedulerEvent(n1));
    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

    // reconnect n1 with downgraded memory
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        MockNodes.newNodeInfo(0, MockNodes.newResource(4 * GB), 1, "127.0.0.2");
    RMNode n2 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 2, "127.0.0.3");

    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n2));
    fs.handle(new NodeUpdateSchedulerEvent(n1));
    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

    // reconnect n1 with downgraded memory
    n1 =
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    RMNode n2 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 2, "127.0.0.3");

    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n2));
    fs.handle(new NodeUpdateSchedulerEvent(n1));
    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

    // reconnect n1 with downgraded memory
    n1 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1, "127.0.0.2");
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    Assert.assertEquals(6 * GB, fs.getRootQueueMetrics().getAvailableMB());

    // reconnect n1 with downgraded memory
    n1 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1, "127.0.0.2");
    fs.handle(new NodeRemovedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeUpdateSchedulerEvent(n1));

    Assert.assertEquals(4 * GB, fs.getRootQueueMetrics().getAvailableMB());
    fs.stop();
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    // reconnect n1 with downgraded memory
    n1 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1, "127.0.0.2");
    fs.handle(new NodeRemovedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeUpdateSchedulerEvent(n1));

    Assert.assertEquals(4 * GB, fs.getRootQueueMetrics().getAvailableMB());
    fs.stop();
  }
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    // reconnect n1 with downgraded memory
    n1 =
        MockNodes.newNodeInfo(0, MockNodes.newResource(2 * GB), 1, "127.0.0.2");
    fs.handle(new NodeRemovedSchedulerEvent(n1));
    fs.handle(new NodeAddedSchedulerEvent(n1));
    fs.handle(new NodeUpdateSchedulerEvent(n1));

    Assert.assertEquals(4 * GB, fs.getRootQueueMetrics().getAvailableMB());
    fs.stop();
  }
 
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    // host_0_0 in rack0
    String host_0_0 = "127.0.0.1";
    RMNode n1 =
        MockNodes.newNodeInfo(rack_num_0, MockNodes.newResource(4 * GB), 1, host_0_0);
    fs.handle(new NodeAddedSchedulerEvent(n1));
   
    // host_0_1 in rack0
    String host_0_1 = "127.0.0.2";
    RMNode n2 =
        MockNodes.newNodeInfo(rack_num_0, MockNodes.newResource(4 * GB), 1, host_0_1);
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