Examples with RequestInterceptor org.apache.hadoop.yarn.server.nodemanager.amrmproxy.RequestInterceptor used on opensource projects

Example 1 with RequestInterceptor

use of org.apache.hadoop.yarn.server.nodemanager.amrmproxy.RequestInterceptor in project hadoop by apache.

the class TestDistributedScheduler method testDistributedScheduler.

@Test
public void testDistributedScheduler() throws Exception {
    Configuration conf = new Configuration();
    DistributedScheduler distributedScheduler = new DistributedScheduler();
    RequestInterceptor finalReqIntcptr = setup(conf, distributedScheduler);
    registerAM(distributedScheduler, finalReqIntcptr, Arrays.asList(RemoteNode.newInstance(NodeId.newInstance("a", 1), "http://a:1"), RemoteNode.newInstance(NodeId.newInstance("b", 2), "http://b:2")));
    final AtomicBoolean flipFlag = new AtomicBoolean(true);
    Mockito.when(finalReqIntcptr.allocateForDistributedScheduling(Mockito.any(DistributedSchedulingAllocateRequest.class))).thenAnswer(new Answer<DistributedSchedulingAllocateResponse>() {

        @Override
        public DistributedSchedulingAllocateResponse answer(InvocationOnMock invocationOnMock) throws Throwable {
            flipFlag.set(!flipFlag.get());
            if (flipFlag.get()) {
                return createAllocateResponse(Arrays.asList(RemoteNode.newInstance(NodeId.newInstance("c", 3), "http://c:3"), RemoteNode.newInstance(NodeId.newInstance("d", 4), "http://d:4")));
            } else {
                return createAllocateResponse(Arrays.asList(RemoteNode.newInstance(NodeId.newInstance("d", 4), "http://d:4"), RemoteNode.newInstance(NodeId.newInstance("c", 3), "http://c:3")));
            }
        }
    });
    AllocateRequest allocateRequest = Records.newRecord(AllocateRequest.class);
    ResourceRequest guaranteedReq = createResourceRequest(ExecutionType.GUARANTEED, 5, "*");
    ResourceRequest opportunisticReq = createResourceRequest(ExecutionType.OPPORTUNISTIC, 4, "*");
    allocateRequest.setAskList(Arrays.asList(guaranteedReq, opportunisticReq));
    // Verify 4 containers were allocated
    AllocateResponse allocateResponse = distributedScheduler.allocate(allocateRequest);
    Assert.assertEquals(4, allocateResponse.getAllocatedContainers().size());
    // Verify equal distribution on hosts a and b, and none on c or d
    Map<NodeId, List<ContainerId>> allocs = mapAllocs(allocateResponse, 4);
    Assert.assertEquals(2, allocs.get(NodeId.newInstance("a", 1)).size());
    Assert.assertEquals(2, allocs.get(NodeId.newInstance("b", 2)).size());
    Assert.assertNull(allocs.get(NodeId.newInstance("c", 3)));
    Assert.assertNull(allocs.get(NodeId.newInstance("d", 4)));
    // New Allocate request
    allocateRequest = Records.newRecord(AllocateRequest.class);
    opportunisticReq = createResourceRequest(ExecutionType.OPPORTUNISTIC, 6, "*");
    allocateRequest.setAskList(Arrays.asList(guaranteedReq, opportunisticReq));
    // Verify 6 containers were allocated
    allocateResponse = distributedScheduler.allocate(allocateRequest);
    Assert.assertEquals(6, allocateResponse.getAllocatedContainers().size());
    // Verify new containers are equally distribution on hosts c and d,
    // and none on a or b
    allocs = mapAllocs(allocateResponse, 6);
    Assert.assertEquals(3, allocs.get(NodeId.newInstance("c", 3)).size());
    Assert.assertEquals(3, allocs.get(NodeId.newInstance("d", 4)).size());
    Assert.assertNull(allocs.get(NodeId.newInstance("a", 1)));
    Assert.assertNull(allocs.get(NodeId.newInstance("b", 2)));
    // Ensure the DistributedScheduler respects the list order..
    // The first request should be allocated to "d" since it is ranked higher
    // The second request should be allocated to "c" since the ranking is
    // flipped on every allocate response.
    allocateRequest = Records.newRecord(AllocateRequest.class);
    opportunisticReq = createResourceRequest(ExecutionType.OPPORTUNISTIC, 1, "*");
    allocateRequest.setAskList(Arrays.asList(guaranteedReq, opportunisticReq));
    allocateResponse = distributedScheduler.allocate(allocateRequest);
    allocs = mapAllocs(allocateResponse, 1);
    Assert.assertEquals(1, allocs.get(NodeId.newInstance("d", 4)).size());
    allocateRequest = Records.newRecord(AllocateRequest.class);
    opportunisticReq = createResourceRequest(ExecutionType.OPPORTUNISTIC, 1, "*");
    allocateRequest.setAskList(Arrays.asList(guaranteedReq, opportunisticReq));
    allocateResponse = distributedScheduler.allocate(allocateRequest);
    allocs = mapAllocs(allocateResponse, 1);
    Assert.assertEquals(1, allocs.get(NodeId.newInstance("c", 3)).size());
    allocateRequest = Records.newRecord(AllocateRequest.class);
    opportunisticReq = createResourceRequest(ExecutionType.OPPORTUNISTIC, 1, "*");
    allocateRequest.setAskList(Arrays.asList(guaranteedReq, opportunisticReq));
    allocateResponse = distributedScheduler.allocate(allocateRequest);
    allocs = mapAllocs(allocateResponse, 1);
    Assert.assertEquals(1, allocs.get(NodeId.newInstance("d", 4)).size());
}

Example 2 with RequestInterceptor

use of org.apache.hadoop.yarn.server.nodemanager.amrmproxy.RequestInterceptor in project hadoop by apache.

the class TestDistributedScheduler method setup.

private RequestInterceptor setup(Configuration conf, DistributedScheduler distributedScheduler) {
    NodeStatusUpdater nodeStatusUpdater = Mockito.mock(NodeStatusUpdater.class);
    Mockito.when(nodeStatusUpdater.getRMIdentifier()).thenReturn(12345l);
    NMContainerTokenSecretManager nmContainerTokenSecretManager = new NMContainerTokenSecretManager(conf);
    MasterKey mKey = new MasterKey() {

        @Override
        public int getKeyId() {
            return 1;
        }

        @Override
        public void setKeyId(int keyId) {
        }

        @Override
        public ByteBuffer getBytes() {
            return ByteBuffer.allocate(8);
        }

        @Override
        public void setBytes(ByteBuffer bytes) {
        }
    };
    nmContainerTokenSecretManager.setMasterKey(mKey);
    OpportunisticContainerAllocator containerAllocator = new OpportunisticContainerAllocator(nmContainerTokenSecretManager);
    NMTokenSecretManagerInNM nmTokenSecretManagerInNM = new NMTokenSecretManagerInNM();
    nmTokenSecretManagerInNM.setMasterKey(mKey);
    distributedScheduler.initLocal(1234, ApplicationAttemptId.newInstance(ApplicationId.newInstance(1, 1), 1), containerAllocator, nmTokenSecretManagerInNM, "test");
    RequestInterceptor finalReqIntcptr = Mockito.mock(RequestInterceptor.class);
    distributedScheduler.setNextInterceptor(finalReqIntcptr);
    return finalReqIntcptr;
}