Package org.apache.hadoop.yarn.client.api.AMRMClient

Examples of org.apache.hadoop.yarn.client.api.AMRMClient.ContainerRequest

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      Resource capability4 = Resource.newInstance(2000, 1);
      Resource capability5 = Resource.newInstance(1000, 3);
      Resource capability6 = Resource.newInstance(2000, 1);
      Resource capability7 = Resource.newInstance(2000, 1);

      ContainerRequest storedContainer1 =
          new ContainerRequest(capability1, nodes, racks, priority);
      ContainerRequest storedContainer2 =
          new ContainerRequest(capability2, nodes, racks, priority);
      ContainerRequest storedContainer3 =
          new ContainerRequest(capability3, nodes, racks, priority);
      ContainerRequest storedContainer4 =
          new ContainerRequest(capability4, nodes, racks, priority);
      ContainerRequest storedContainer5 =
          new ContainerRequest(capability5, nodes, racks, priority);
      ContainerRequest storedContainer6 =
          new ContainerRequest(capability6, nodes, racks, priority);
      ContainerRequest storedContainer7 =
          new ContainerRequest(capability7, nodes, racks, priority2, false);
      amClient.addContainerRequest(storedContainer1);
      amClient.addContainerRequest(storedContainer2);
      amClient.addContainerRequest(storedContainer3);
      amClient.addContainerRequest(storedContainer4);
      amClient.addContainerRequest(storedContainer5);
      amClient.addContainerRequest(storedContainer6);
      amClient.addContainerRequest(storedContainer7);
     
      // test matching of containers
      List<? extends Collection<ContainerRequest>> matches;
      ContainerRequest storedRequest;
      // exact match
      Resource testCapability1 = Resource.newInstance(1024,  2);
      matches = amClient.getMatchingRequests(priority, node, testCapability1);
      verifyMatches(matches, 1);
      storedRequest = matches.get(0).iterator().next();
      assertTrue(storedContainer1 == storedRequest);
      amClient.removeContainerRequest(storedContainer1);
     
      // exact matching with order maintained
      Resource testCapability2 = Resource.newInstance(2000, 1);
      matches = amClient.getMatchingRequests(priority, node, testCapability2);
      verifyMatches(matches, 2);
      // must be returned in the order they were made
      int i = 0;
      for(ContainerRequest storedRequest1 : matches.get(0)) {
        if(i++ == 0) {
          assertTrue(storedContainer4 == storedRequest1);
        } else {
          assertTrue(storedContainer6 == storedRequest1);
        }
      }
      amClient.removeContainerRequest(storedContainer6);
     
      // matching with larger container. all requests returned
      Resource testCapability3 = Resource.newInstance(4000, 4);
      matches = amClient.getMatchingRequests(priority, node, testCapability3);
      assert(matches.size() == 4);
     
      Resource testCapability4 = Resource.newInstance(1024, 2);
      matches = amClient.getMatchingRequests(priority, node, testCapability4);
      assert(matches.size() == 2);
      // verify non-fitting containers are not returned and fitting ones are
      for(Collection<ContainerRequest> testSet : matches) {
        assertTrue(testSet.size() == 1);
        ContainerRequest testRequest = testSet.iterator().next();
        assertTrue(testRequest != storedContainer4);
        assertTrue(testRequest != storedContainer5);
        assert(testRequest == storedContainer2 ||
                testRequest == storedContainer3);
      }
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      amClient.start();
      amClient.registerApplicationMaster("Host", 10000, "");
     
      Resource capability = Resource.newInstance(1024, 2);

      ContainerRequest storedContainer1 =
          new ContainerRequest(capability, nodes, null, priority);
      amClient.addContainerRequest(storedContainer1);

      // verify matching with original node and inferred rack
      List<? extends Collection<ContainerRequest>> matches;
      ContainerRequest storedRequest;
      // exact match node
      matches = amClient.getMatchingRequests(priority, node, capability);
      verifyMatches(matches, 1);
      storedRequest = matches.get(0).iterator().next();
      assertTrue(storedContainer1 == storedRequest);
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      amClient.registerApplicationMaster("Host", 10000, "");
     
      Priority priority1 = Records.newRecord(Priority.class);
      priority1.setPriority(2);
     
      ContainerRequest storedContainer1 =
          new ContainerRequest(capability, nodes, racks, priority);
      ContainerRequest storedContainer2 =
          new ContainerRequest(capability, nodes, racks, priority);
      ContainerRequest storedContainer3 =
          new ContainerRequest(capability, null, null, priority1);
      amClient.addContainerRequest(storedContainer1);
      amClient.addContainerRequest(storedContainer2);
      amClient.addContainerRequest(storedContainer3);
     
      // test addition and storage
      int containersRequestedAny = amClient.remoteRequestsTable.get(priority)
       .get(ResourceRequest.ANY).get(capability).remoteRequest.getNumContainers();
      assertTrue(containersRequestedAny == 2);
      containersRequestedAny = amClient.remoteRequestsTable.get(priority1)
          .get(ResourceRequest.ANY).get(capability).remoteRequest.getNumContainers();
         assertTrue(containersRequestedAny == 1);
      List<? extends Collection<ContainerRequest>> matches =
          amClient.getMatchingRequests(priority, node, capability);
      verifyMatches(matches, 2);
      matches = amClient.getMatchingRequests(priority, rack, capability);
      verifyMatches(matches, 2);
      matches =
          amClient.getMatchingRequests(priority, ResourceRequest.ANY, capability);
      verifyMatches(matches, 2);
      matches = amClient.getMatchingRequests(priority1, rack, capability);
      assertTrue(matches.isEmpty());
      matches =
          amClient.getMatchingRequests(priority1, ResourceRequest.ANY, capability);
      verifyMatches(matches, 1);
     
      // test removal
      amClient.removeContainerRequest(storedContainer3);
      matches = amClient.getMatchingRequests(priority, node, capability);
      verifyMatches(matches, 2);
      amClient.removeContainerRequest(storedContainer2);
      matches = amClient.getMatchingRequests(priority, node, capability);
      verifyMatches(matches, 1);
      matches = amClient.getMatchingRequests(priority, rack, capability);
      verifyMatches(matches, 1);
     
      // test matching of containers
      ContainerRequest storedRequest = matches.get(0).iterator().next();
      assertTrue(storedContainer1 == storedRequest);
      amClient.removeContainerRequest(storedContainer1);
      matches =
          amClient.getMatchingRequests(priority, ResourceRequest.ANY, capability);
      assertTrue(matches.isEmpty());
      matches =
          amClient.getMatchingRequests(priority1, ResourceRequest.ANY, capability);
      assertTrue(matches.isEmpty());
      // 0 requests left. everything got cleaned up
      assertTrue(amClient.remoteRequestsTable.isEmpty());
     
      // go through an exemplary allocation, matching and release cycle
      amClient.addContainerRequest(storedContainer1);
      amClient.addContainerRequest(storedContainer3);
      // RM should allocate container within 2 calls to allocate()
      int allocatedContainerCount = 0;
      int iterationsLeft = 3;
      while (allocatedContainerCount < 2
          && iterationsLeft-- > 0) {
        Log.info(" == alloc " + allocatedContainerCount + " it left " + iterationsLeft);
        AllocateResponse allocResponse = amClient.allocate(0.1f);
        assertTrue(amClient.ask.size() == 0);
        assertTrue(amClient.release.size() == 0);
       
        assertTrue(nodeCount == amClient.getClusterNodeCount());
        allocatedContainerCount += allocResponse.getAllocatedContainers().size();
        for(Container container : allocResponse.getAllocatedContainers()) {
          ContainerRequest expectedRequest =
              container.getPriority().equals(storedContainer1.getPriority()) ?
                  storedContainer1 : storedContainer3;
          matches = amClient.getMatchingRequests(container.getPriority(),
                                                 ResourceRequest.ANY,
                                                 container.getResource());
          // test correct matched container is returned
          verifyMatches(matches, 1);
          ContainerRequest matchedRequest = matches.get(0).iterator().next();
          assertTrue(matchedRequest == expectedRequest);
          amClient.removeContainerRequest(matchedRequest);
          // assign this container, use it and release it
          amClient.releaseAssignedContainer(container.getId());
        }
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      amClient.registerApplicationMaster("Host", 10000, "");
     
      assertTrue(amClient.ask.size() == 0);
      assertTrue(amClient.release.size() == 0);
     
      ContainerRequest storedContainer1 =
          new ContainerRequest(capability, nodes, racks, priority);
      amClient.addContainerRequest(storedContainer1);
      assertTrue(amClient.ask.size() == 3);
      assertTrue(amClient.release.size() == 0);
     
      List<String> localNodeBlacklist = new ArrayList<String>();
      localNodeBlacklist.add(node);
     
      // put node in black list, so no container assignment
      amClient.updateBlacklist(localNodeBlacklist, null);

      int allocatedContainerCount = getAllocatedContainersNumber(amClient,
        DEFAULT_ITERATION);
      // the only node is in blacklist, so no allocation
      assertTrue(allocatedContainerCount == 0);

      // Remove node from blacklist, so get assigned with 2
      amClient.updateBlacklist(null, localNodeBlacklist);
      ContainerRequest storedContainer2 =
              new ContainerRequest(capability, nodes, racks, priority);
      amClient.addContainerRequest(storedContainer2);
      allocatedContainerCount = getAllocatedContainersNumber(amClient,
          DEFAULT_ITERATION);
      assertEquals(allocatedContainerCount, 2);
     
      // Test in case exception in allocate(), blacklist is kept
      assertTrue(amClient.blacklistAdditions.isEmpty());
      assertTrue(amClient.blacklistRemovals.isEmpty());
     
      // create a invalid ContainerRequest - memory value is minus
      ContainerRequest invalidContainerRequest =
          new ContainerRequest(Resource.newInstance(-1024, 1),
              nodes, racks, priority);
      amClient.addContainerRequest(invalidContainerRequest);
      amClient.updateBlacklist(localNodeBlacklist, null);
      try {
        // allocate() should complain as ContainerRequest is invalid.
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    assertTrue(amClient.ask.size() == 0);
    assertTrue(amClient.release.size() == 0);
   
    amClient.addContainerRequest(
        new ContainerRequest(capability, nodes, racks, priority));
    amClient.addContainerRequest(
        new ContainerRequest(capability, nodes, racks, priority));
    amClient.addContainerRequest(
        new ContainerRequest(capability, nodes, racks, priority));
    amClient.addContainerRequest(
        new ContainerRequest(capability, nodes, racks, priority));
    amClient.removeContainerRequest(
        new ContainerRequest(capability, nodes, racks, priority));
    amClient.removeContainerRequest(
        new ContainerRequest(capability, nodes, racks, priority));
   
    int containersRequestedNode = amClient.remoteRequestsTable.get(priority)
        .get(node).get(capability).remoteRequest.getNumContainers();
    int containersRequestedRack = amClient.remoteRequestsTable.get(priority)
        .get(rack).get(capability).remoteRequest.getNumContainers();
    int containersRequestedAny = amClient.remoteRequestsTable.get(priority)
    .get(ResourceRequest.ANY).get(capability).remoteRequest.getNumContainers();

    assertTrue(containersRequestedNode == 2);
    assertTrue(containersRequestedRack == 2);
    assertTrue(containersRequestedAny == 2);
    assertTrue(amClient.ask.size() == 3);
    assertTrue(amClient.release.size() == 0);

    // RM should allocate container within 2 calls to allocate()
    int allocatedContainerCount = 0;
    int iterationsLeft = 3;
    Set<ContainerId> releases = new TreeSet<ContainerId>();
   
    NMTokenCache.clearCache();
    Assert.assertEquals(0, NMTokenCache.numberOfNMTokensInCache());
    HashMap<String, Token> receivedNMTokens = new HashMap<String, Token>();
   
    while (allocatedContainerCount < containersRequestedAny
        && iterationsLeft-- > 0) {
      AllocateResponse allocResponse = amClient.allocate(0.1f);
      assertTrue(amClient.ask.size() == 0);
      assertTrue(amClient.release.size() == 0);
     
      assertTrue(nodeCount == amClient.getClusterNodeCount());
      allocatedContainerCount += allocResponse.getAllocatedContainers().size();
      for(Container container : allocResponse.getAllocatedContainers()) {
        ContainerId rejectContainerId = container.getId();
        releases.add(rejectContainerId);
        amClient.releaseAssignedContainer(rejectContainerId);
      }
     
      for (NMToken token : allocResponse.getNMTokens()) {
        String nodeID = token.getNodeId().toString();
        if (receivedNMTokens.containsKey(nodeID)) {
          Assert.fail("Received token again for : " + nodeID);         
        }
        receivedNMTokens.put(nodeID, token.getToken());
      }
     
      if(allocatedContainerCount < containersRequestedAny) {
        // sleep to let NM's heartbeat to RM and trigger allocations
        sleep(100);
      }
    }
   
    // Should receive atleast 1 token
    Assert.assertTrue(receivedNMTokens.size() > 0
        && receivedNMTokens.size() <= nodeCount);
   
    assertTrue(allocatedContainerCount == containersRequestedAny);
    assertTrue(amClient.release.size() == 2);
    assertTrue(amClient.ask.size() == 0);
   
    // need to tell the AMRMClient that we dont need these resources anymore
    amClient.removeContainerRequest(
        new ContainerRequest(capability, nodes, racks, priority));
    amClient.removeContainerRequest(
        new ContainerRequest(capability, nodes, racks, priority));
    assertTrue(amClient.ask.size() == 3);
    // send 0 container count request for resources that are no longer needed
    ResourceRequest snoopRequest = amClient.ask.iterator().next();
    assertTrue(snoopRequest.getNumContainers() == 0);
   
    // test RPC exception handling
    amClient.addContainerRequest(new ContainerRequest(capability, nodes,
        racks, priority));
    amClient.addContainerRequest(new ContainerRequest(capability, nodes,
        racks, priority));
    snoopRequest = amClient.ask.iterator().next();
    assertTrue(snoopRequest.getNumContainers() == 2);
   
    ApplicationMasterProtocol realRM = amClient.rmClient;
    try {
      ApplicationMasterProtocol mockRM = mock(ApplicationMasterProtocol.class);
      when(mockRM.allocate(any(AllocateRequest.class))).thenAnswer(
          new Answer<AllocateResponse>() {
            public AllocateResponse answer(InvocationOnMock invocation)
                throws Exception {
              amClient.removeContainerRequest(
                             new ContainerRequest(capability, nodes,
                                                          racks, priority));
              amClient.removeContainerRequest(
                  new ContainerRequest(capability, nodes, racks, priority));
              throw new Exception();
            }
          });
      amClient.rmClient = mockRM;
      amClient.allocate(0.1f);
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    // Until we get our fully allocated quota, we keep on polling RM for
    // containers
    // Keep looping until all the containers are launched and shell script
    // executed on them ( regardless of success/failure).
    for (int i = 0; i < numTotalContainers; ++i) {
      ContainerRequest containerAsk = setupContainerAskForRM();
      amRMClient.addContainerRequest(containerAsk);
    }
    numRequestedContainers.set(numTotalContainers);

    while (!done
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    // For now, memory and CPU are supported so we set memory and cpu requirements
    Resource capability = Records.newRecord(Resource.class);
    capability.setMemory(containerMemory);
    capability.setVirtualCores(containerVirtualCores);

    ContainerRequest request = new ContainerRequest(capability, null, null,
        pri);
    LOG.info("Requested container ask: " + request.toString());
    return request;
  }
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      int askCount = numTotalContainers - numRequestedContainers.get();
      numRequestedContainers.addAndGet(askCount);

      if (askCount > 0) {
        for (int i = 0; i < askCount; ++i) {
          ContainerRequest containerAsk = setupContainerAskForRM();
          amRMClient.addContainerRequest(containerAsk);
        }
      }
     
      if (numCompletedContainers.get() == numTotalContainers) {
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        Resource capability = YarnCompat.resource(cfg, appConfig.containerMem(), appConfig.containerVCores());
        Priority prio = Priority.newInstance(appConfig.amPriority());

        for (int i = 0; i < appConfig.containersToAllocate(); i++) {
            // TODO: Add allocation (host/rack rules) - and disable location constraints
            ContainerRequest req = new ContainerRequest(capability, null, null, prio);
            amRpc.addContainerRequest(req);
        }


        // update status every 5 sec
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      Resource capability4 = Resource.newInstance(2000, 1);
      Resource capability5 = Resource.newInstance(1000, 3);
      Resource capability6 = Resource.newInstance(2000, 1);
      Resource capability7 = Resource.newInstance(2000, 1);

      ContainerRequest storedContainer1 =
          new ContainerRequest(capability1, nodes, racks, priority);
      ContainerRequest storedContainer2 =
          new ContainerRequest(capability2, nodes, racks, priority);
      ContainerRequest storedContainer3 =
          new ContainerRequest(capability3, nodes, racks, priority);
      ContainerRequest storedContainer4 =
          new ContainerRequest(capability4, nodes, racks, priority);
      ContainerRequest storedContainer5 =
          new ContainerRequest(capability5, nodes, racks, priority);
      ContainerRequest storedContainer6 =
          new ContainerRequest(capability6, nodes, racks, priority);
      ContainerRequest storedContainer7 =
          new ContainerRequest(capability7, nodes, racks, priority2, false);
      amClient.addContainerRequest(storedContainer1);
      amClient.addContainerRequest(storedContainer2);
      amClient.addContainerRequest(storedContainer3);
      amClient.addContainerRequest(storedContainer4);
      amClient.addContainerRequest(storedContainer5);
      amClient.addContainerRequest(storedContainer6);
      amClient.addContainerRequest(storedContainer7);
     
      // test matching of containers
      List<? extends Collection<ContainerRequest>> matches;
      ContainerRequest storedRequest;
      // exact match
      Resource testCapability1 = Resource.newInstance(1024,  2);
      matches = amClient.getMatchingRequests(priority, node, testCapability1);
      verifyMatches(matches, 1);
      storedRequest = matches.get(0).iterator().next();
      assertEquals(storedContainer1, storedRequest);
      amClient.removeContainerRequest(storedContainer1);
     
      // exact matching with order maintained
      Resource testCapability2 = Resource.newInstance(2000, 1);
      matches = amClient.getMatchingRequests(priority, node, testCapability2);
      verifyMatches(matches, 2);
      // must be returned in the order they were made
      int i = 0;
      for(ContainerRequest storedRequest1 : matches.get(0)) {
        if(i++ == 0) {
          assertEquals(storedContainer4, storedRequest1);
        } else {
          assertEquals(storedContainer6, storedRequest1);
        }
      }
      amClient.removeContainerRequest(storedContainer6);
     
      // matching with larger container. all requests returned
      Resource testCapability3 = Resource.newInstance(4000, 4);
      matches = amClient.getMatchingRequests(priority, node, testCapability3);
      assert(matches.size() == 4);
     
      Resource testCapability4 = Resource.newInstance(1024, 2);
      matches = amClient.getMatchingRequests(priority, node, testCapability4);
      assert(matches.size() == 2);
      // verify non-fitting containers are not returned and fitting ones are
      for(Collection<ContainerRequest> testSet : matches) {
        assertEquals(1, testSet.size());
        ContainerRequest testRequest = testSet.iterator().next();
        assertTrue(testRequest != storedContainer4);
        assertTrue(testRequest != storedContainer5);
        assert(testRequest == storedContainer2 ||
                testRequest == storedContainer3);
      }
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