Examples with ContainerRequestEvent org.apache.hadoop.mapreduce.v2.app.rm.ContainerRequestEvent used on opensource projects

Example 21 with ContainerRequestEvent

use of org.apache.hadoop.mapreduce.v2.app.rm.ContainerRequestEvent in project hadoop by apache.

the class TestRMContainerAllocator method testUnconditionalPreemptReducers.

@Test(timeout = 30000)
public void testUnconditionalPreemptReducers() throws Exception {
    LOG.info("Running testForcePreemptReducers");
    int forcePreemptThresholdSecs = 2;
    Configuration conf = new Configuration();
    conf.setInt(MRJobConfig.MR_JOB_REDUCER_PREEMPT_DELAY_SEC, 2 * forcePreemptThresholdSecs);
    conf.setInt(MRJobConfig.MR_JOB_REDUCER_UNCONDITIONAL_PREEMPT_DELAY_SEC, forcePreemptThresholdSecs);
    MyResourceManager rm = new MyResourceManager(conf);
    rm.start();
    rm.getMyFifoScheduler().forceResourceLimit(Resource.newInstance(8192, 8));
    DrainDispatcher dispatcher = (DrainDispatcher) rm.getRMContext().getDispatcher();
    // Submit the application
    RMApp app = rm.submitApp(1024);
    dispatcher.await();
    MockNM amNodeManager = rm.registerNode("amNM:1234", 2048);
    amNodeManager.nodeHeartbeat(true);
    dispatcher.await();
    ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt().getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);
    dispatcher.await();
    JobId jobId = MRBuilderUtils.newJobId(appAttemptId.getApplicationId(), 0);
    Job mockJob = mock(Job.class);
    when(mockJob.getReport()).thenReturn(MRBuilderUtils.newJobReport(jobId, "job", "user", JobState.RUNNING, 0, 0, 0, 0, 0, 0, 0, "jobfile", null, false, ""));
    ControlledClock clock = new ControlledClock(null);
    clock.setTime(1);
    MyContainerAllocator allocator = new MyContainerAllocator(rm, conf, appAttemptId, mockJob, clock);
    allocator.setMapResourceRequest(BuilderUtils.newResource(1024, 1));
    allocator.setReduceResourceRequest(BuilderUtils.newResource(1024, 1));
    RMContainerAllocator.AssignedRequests assignedRequests = allocator.getAssignedRequests();
    RMContainerAllocator.ScheduledRequests scheduledRequests = allocator.getScheduledRequests();
    ContainerRequestEvent event1 = createReq(jobId, 1, 2048, new String[] { "h1" }, false, false);
    scheduledRequests.maps.put(mock(TaskAttemptId.class), new RMContainerRequestor.ContainerRequest(event1, null, clock.getTime()));
    assignedRequests.reduces.put(mock(TaskAttemptId.class), mock(Container.class));
    clock.setTime(clock.getTime() + 1);
    allocator.preemptReducesIfNeeded();
    Assert.assertEquals("The reducer is preeempted too soon", 0, assignedRequests.preemptionWaitingReduces.size());
    clock.setTime(clock.getTime() + 1000 * forcePreemptThresholdSecs);
    allocator.preemptReducesIfNeeded();
    Assert.assertEquals("The reducer is not preeempted", 1, assignedRequests.preemptionWaitingReduces.size());
}

Example 22 with ContainerRequestEvent

use of org.apache.hadoop.mapreduce.v2.app.rm.ContainerRequestEvent in project hadoop by apache.

the class TestRMContainerAllocator method testMapNodeLocality.

@Test
public void testMapNodeLocality() throws Exception {
    // test checks that ordering of allocated containers list from the RM does 
    // not affect the map->container assignment done by the AM. If there is a 
    // node local container available for a map then it should be assigned to 
    // that container and not a rack-local container that happened to be seen 
    // earlier in the allocated containers list from the RM.
    // Regression test for MAPREDUCE-4893
    LOG.info("Running testMapNodeLocality");
    Configuration conf = new Configuration();
    MyResourceManager rm = new MyResourceManager(conf);
    rm.start();
    DrainDispatcher dispatcher = (DrainDispatcher) rm.getRMContext().getDispatcher();
    // Submit the application
    RMApp app = rm.submitApp(1024);
    dispatcher.await();
    MockNM amNodeManager = rm.registerNode("amNM:1234", 2048);
    amNodeManager.nodeHeartbeat(true);
    dispatcher.await();
    ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt().getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);
    dispatcher.await();
    JobId jobId = MRBuilderUtils.newJobId(appAttemptId.getApplicationId(), 0);
    Job mockJob = mock(Job.class);
    when(mockJob.getReport()).thenReturn(MRBuilderUtils.newJobReport(jobId, "job", "user", JobState.RUNNING, 0, 0, 0, 0, 0, 0, 0, "jobfile", null, false, ""));
    MyContainerAllocator allocator = new MyContainerAllocator(rm, conf, appAttemptId, mockJob);
    // add resources to scheduler
    // can assign 2 maps 
    MockNM nodeManager1 = rm.registerNode("h1:1234", 3072);
    // wont heartbeat on node local node
    rm.registerNode("h2:1234", 10240);
    // assign 1 map
    MockNM nodeManager3 = rm.registerNode("h3:1234", 1536);
    dispatcher.await();
    // create the container requests for maps
    ContainerRequestEvent event1 = createReq(jobId, 1, 1024, new String[] { "h1" });
    allocator.sendRequest(event1);
    ContainerRequestEvent event2 = createReq(jobId, 2, 1024, new String[] { "h1" });
    allocator.sendRequest(event2);
    ContainerRequestEvent event3 = createReq(jobId, 3, 1024, new String[] { "h2" });
    allocator.sendRequest(event3);
    // this tells the scheduler about the requests
    // as nodes are not added, no allocations
    List<TaskAttemptContainerAssignedEvent> assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
    // update resources in scheduler
    // Node heartbeat from rack-local first. This makes node h3 the first in the
    // list of allocated containers but it should not be assigned to task1.
    nodeManager3.nodeHeartbeat(true);
    // Node heartbeat from node-local next. This allocates 2 node local 
    // containers for task1 and task2. These should be matched with those tasks.
    nodeManager1.nodeHeartbeat(true);
    dispatcher.await();
    assigned = allocator.schedule();
    dispatcher.await();
    checkAssignments(new ContainerRequestEvent[] { event1, event2, event3 }, assigned, false);
    // remove the rack-local assignment that should have happened for task3
    for (TaskAttemptContainerAssignedEvent event : assigned) {
        if (event.getTaskAttemptID().equals(event3.getAttemptID())) {
            assigned.remove(event);
            Assert.assertTrue(event.getContainer().getNodeId().getHost().equals("h3"));
            break;
        }
    }
    checkAssignments(new ContainerRequestEvent[] { event1, event2 }, assigned, true);
}

Example 23 with ContainerRequestEvent

use of org.apache.hadoop.mapreduce.v2.app.rm.ContainerRequestEvent in project hadoop by apache.

the class TestRMContainerAllocator method testSimple.

@Test
public void testSimple() throws Exception {
    LOG.info("Running testSimple");
    Configuration conf = new Configuration();
    MyResourceManager rm = new MyResourceManager(conf);
    rm.start();
    DrainDispatcher dispatcher = (DrainDispatcher) rm.getRMContext().getDispatcher();
    // Submit the application
    RMApp app = rm.submitApp(1024);
    dispatcher.await();
    MockNM amNodeManager = rm.registerNode("amNM:1234", 2048);
    amNodeManager.nodeHeartbeat(true);
    dispatcher.await();
    ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt().getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);
    dispatcher.await();
    JobId jobId = MRBuilderUtils.newJobId(appAttemptId.getApplicationId(), 0);
    Job mockJob = mock(Job.class);
    when(mockJob.getReport()).thenReturn(MRBuilderUtils.newJobReport(jobId, "job", "user", JobState.RUNNING, 0, 0, 0, 0, 0, 0, 0, "jobfile", null, false, ""));
    MyContainerAllocator allocator = new MyContainerAllocator(rm, conf, appAttemptId, mockJob);
    // add resources to scheduler
    MockNM nodeManager1 = rm.registerNode("h1:1234", 10240);
    MockNM nodeManager2 = rm.registerNode("h2:1234", 10240);
    MockNM nodeManager3 = rm.registerNode("h3:1234", 10240);
    dispatcher.await();
    // create the container request
    ContainerRequestEvent event1 = createReq(jobId, 1, 1024, new String[] { "h1" });
    allocator.sendRequest(event1);
    // send 1 more request with different resource req
    ContainerRequestEvent event2 = createReq(jobId, 2, 1024, new String[] { "h2" });
    allocator.sendRequest(event2);
    // this tells the scheduler about the requests
    // as nodes are not added, no allocations
    List<TaskAttemptContainerAssignedEvent> assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
    Assert.assertEquals(4, rm.getMyFifoScheduler().lastAsk.size());
    // send another request with different resource and priority
    ContainerRequestEvent event3 = createReq(jobId, 3, 1024, new String[] { "h3" });
    allocator.sendRequest(event3);
    // this tells the scheduler about the requests
    // as nodes are not added, no allocations
    assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
    Assert.assertEquals(3, rm.getMyFifoScheduler().lastAsk.size());
    // update resources in scheduler
    // Node heartbeat
    nodeManager1.nodeHeartbeat(true);
    // Node heartbeat
    nodeManager2.nodeHeartbeat(true);
    // Node heartbeat
    nodeManager3.nodeHeartbeat(true);
    dispatcher.await();
    assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals(0, rm.getMyFifoScheduler().lastAsk.size());
    checkAssignments(new ContainerRequestEvent[] { event1, event2, event3 }, assigned, false);
    // check that the assigned container requests are cancelled
    assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals(5, rm.getMyFifoScheduler().lastAsk.size());
}

Example 24 with ContainerRequestEvent

use of org.apache.hadoop.mapreduce.v2.app.rm.ContainerRequestEvent in project hadoop by apache.

the class TestRMContainerAllocator method testResource.

@Test
public void testResource() throws Exception {
    LOG.info("Running testResource");
    Configuration conf = new Configuration();
    MyResourceManager rm = new MyResourceManager(conf);
    rm.start();
    DrainDispatcher dispatcher = (DrainDispatcher) rm.getRMContext().getDispatcher();
    // Submit the application
    RMApp app = rm.submitApp(1024);
    dispatcher.await();
    MockNM amNodeManager = rm.registerNode("amNM:1234", 2048);
    amNodeManager.nodeHeartbeat(true);
    dispatcher.await();
    ApplicationAttemptId appAttemptId = app.getCurrentAppAttempt().getAppAttemptId();
    rm.sendAMLaunched(appAttemptId);
    dispatcher.await();
    JobId jobId = MRBuilderUtils.newJobId(appAttemptId.getApplicationId(), 0);
    Job mockJob = mock(Job.class);
    when(mockJob.getReport()).thenReturn(MRBuilderUtils.newJobReport(jobId, "job", "user", JobState.RUNNING, 0, 0, 0, 0, 0, 0, 0, "jobfile", null, false, ""));
    MyContainerAllocator allocator = new MyContainerAllocator(rm, conf, appAttemptId, mockJob);
    // add resources to scheduler
    MockNM nodeManager1 = rm.registerNode("h1:1234", 10240);
    MockNM nodeManager2 = rm.registerNode("h2:1234", 10240);
    MockNM nodeManager3 = rm.registerNode("h3:1234", 10240);
    dispatcher.await();
    // create the container request
    ContainerRequestEvent event1 = createReq(jobId, 1, 1024, new String[] { "h1" });
    allocator.sendRequest(event1);
    // send 1 more request with different resource req
    ContainerRequestEvent event2 = createReq(jobId, 2, 2048, new String[] { "h2" });
    allocator.sendRequest(event2);
    // this tells the scheduler about the requests
    // as nodes are not added, no allocations
    List<TaskAttemptContainerAssignedEvent> assigned = allocator.schedule();
    dispatcher.await();
    Assert.assertEquals("No of assignments must be 0", 0, assigned.size());
    // update resources in scheduler
    // Node heartbeat
    nodeManager1.nodeHeartbeat(true);
    // Node heartbeat
    nodeManager2.nodeHeartbeat(true);
    // Node heartbeat
    nodeManager3.nodeHeartbeat(true);
    dispatcher.await();
    assigned = allocator.schedule();
    dispatcher.await();
    checkAssignments(new ContainerRequestEvent[] { event1, event2 }, assigned, false);
}