コード例 #1
0
        public virtual void TestNodeRegistrationVersionLessThanRM()
        {
            WriteToHostsFile("host2");
            Configuration conf = new Configuration();

            conf.Set(YarnConfiguration.RmNodesIncludeFilePath, hostFile.GetAbsolutePath());
            conf.Set(YarnConfiguration.RmNodemanagerMinimumVersion, "EqualToRM");
            rm = new MockRM(conf);
            rm.Start();
            string nmVersion = "1.9.9";
            ResourceTrackerService     resourceTrackerService = rm.GetResourceTrackerService();
            RegisterNodeManagerRequest req = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <RegisterNodeManagerRequest
                                                                                            >();
            NodeId   nodeId     = NodeId.NewInstance("host2", 1234);
            Resource capability = BuilderUtils.NewResource(1024, 1);

            req.SetResource(capability);
            req.SetNodeId(nodeId);
            req.SetHttpPort(1234);
            req.SetNMVersion(nmVersion);
            // trying to register a invalid node.
            RegisterNodeManagerResponse response = resourceTrackerService.RegisterNodeManager
                                                       (req);

            NUnit.Framework.Assert.AreEqual(NodeAction.Shutdown, response.GetNodeAction());
            NUnit.Framework.Assert.IsTrue("Diagnostic message did not contain: 'Disallowed NodeManager "
                                          + "Version " + nmVersion + ", is less than the minimum version'", response.GetDiagnosticsMessage
                                              ().Contains("Disallowed NodeManager Version " + nmVersion + ", is less than the minimum version "
                                                          ));
        }
コード例 #2
0
        public virtual void TestSetRMIdentifierInRegistration()
        {
            Configuration conf = new Configuration();

            rm = new MockRM(conf);
            rm.Start();
            MockNM nm = new MockNM("host1:1234", 5120, rm.GetResourceTrackerService());
            RegisterNodeManagerResponse response = nm.RegisterNode();

            // Verify the RMIdentifier is correctly set in RegisterNodeManagerResponse
            NUnit.Framework.Assert.AreEqual(ResourceManager.GetClusterTimeStamp(), response.GetRMIdentifier
                                                ());
        }
コード例 #3
0
        /// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
        /// <exception cref="System.IO.IOException"/>
        public virtual RegisterNodeManagerResponse RegisterNodeManager(RegisterNodeManagerRequest
                                                                       request)
        {
            RegisterNodeManagerResponse response = recordFactory.NewRecordInstance <RegisterNodeManagerResponse
                                                                                    >();
            MasterKey masterKey = new MasterKeyPBImpl();

            masterKey.SetKeyId(123);
            masterKey.SetBytes(ByteBuffer.Wrap(new byte[] { 123 }));
            response.SetContainerTokenMasterKey(masterKey);
            response.SetNMTokenMasterKey(masterKey);
            return(response);
        }
コード例 #4
0
        /// <exception cref="System.Exception"/>
        public static RegisterNodeManagerResponse SerDe(RegisterNodeManagerResponse orig)
        {
            RegisterNodeManagerResponsePBImpl asPB = (RegisterNodeManagerResponsePBImpl)orig;

            YarnServerCommonServiceProtos.RegisterNodeManagerResponseProto proto = asPB.GetProto
                                                                                       ();
            ByteArrayOutputStream @out = new ByteArrayOutputStream();

            proto.WriteTo(@out);
            ByteArrayInputStream @in = new ByteArrayInputStream(@out.ToByteArray());

            YarnServerCommonServiceProtos.RegisterNodeManagerResponseProto.Builder cp = YarnServerCommonServiceProtos.RegisterNodeManagerResponseProto
                                                                                        .NewBuilder();
            cp.MergeFrom(@in);
            return(new RegisterNodeManagerResponsePBImpl(((YarnServerCommonServiceProtos.RegisterNodeManagerResponseProto
                                                           )cp.Build())));
        }
コード例 #5
0
        public virtual void TestRoundTrip()
        {
            RegisterNodeManagerResponse resp = recordFactory.NewRecordInstance <RegisterNodeManagerResponse
                                                                                >();

            byte[]    b = new byte[] { 0, 1, 2, 3, 4, 5 };
            MasterKey containerTokenMK = recordFactory.NewRecordInstance <MasterKey>();

            containerTokenMK.SetKeyId(54321);
            containerTokenMK.SetBytes(ByteBuffer.Wrap(b));
            resp.SetContainerTokenMasterKey(containerTokenMK);
            MasterKey nmTokenMK = recordFactory.NewRecordInstance <MasterKey>();

            nmTokenMK.SetKeyId(12345);
            nmTokenMK.SetBytes(ByteBuffer.Wrap(b));
            resp.SetNMTokenMasterKey(nmTokenMK);
            resp.SetNodeAction(NodeAction.Normal);
            NUnit.Framework.Assert.AreEqual(NodeAction.Normal, resp.GetNodeAction());
            // Verifying containerTokenMasterKey
            NUnit.Framework.Assert.IsNotNull(resp.GetContainerTokenMasterKey());
            NUnit.Framework.Assert.AreEqual(54321, resp.GetContainerTokenMasterKey().GetKeyId
                                                ());
            Assert.AssertArrayEquals(b, ((byte[])resp.GetContainerTokenMasterKey().GetBytes()
                                         .Array()));
            RegisterNodeManagerResponse respCopy = SerDe(resp);

            NUnit.Framework.Assert.AreEqual(NodeAction.Normal, respCopy.GetNodeAction());
            NUnit.Framework.Assert.IsNotNull(respCopy.GetContainerTokenMasterKey());
            NUnit.Framework.Assert.AreEqual(54321, respCopy.GetContainerTokenMasterKey().GetKeyId
                                                ());
            Assert.AssertArrayEquals(b, ((byte[])respCopy.GetContainerTokenMasterKey().GetBytes
                                             ().Array()));
            // Verifying nmTokenMasterKey
            NUnit.Framework.Assert.IsNotNull(resp.GetNMTokenMasterKey());
            NUnit.Framework.Assert.AreEqual(12345, resp.GetNMTokenMasterKey().GetKeyId());
            Assert.AssertArrayEquals(b, ((byte[])resp.GetNMTokenMasterKey().GetBytes().Array(
                                             )));
            respCopy = SerDe(resp);
            NUnit.Framework.Assert.AreEqual(NodeAction.Normal, respCopy.GetNodeAction());
            NUnit.Framework.Assert.IsNotNull(respCopy.GetNMTokenMasterKey());
            NUnit.Framework.Assert.AreEqual(12345, respCopy.GetNMTokenMasterKey().GetKeyId());
            Assert.AssertArrayEquals(b, ((byte[])respCopy.GetNMTokenMasterKey().GetBytes().Array
                                             ()));
        }
コード例 #6
0
        public virtual void TestNodeRegistrationWithMinimumAllocations()
        {
            Configuration conf = new Configuration();

            conf.Set(YarnConfiguration.RmSchedulerMinimumAllocationMb, "2048");
            conf.Set(YarnConfiguration.RmSchedulerMinimumAllocationVcores, "4");
            rm = new MockRM(conf);
            rm.Start();
            ResourceTrackerService     resourceTrackerService = rm.GetResourceTrackerService();
            RegisterNodeManagerRequest req = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <RegisterNodeManagerRequest
                                                                                            >();
            NodeId nodeId = BuilderUtils.NewNodeId("host", 1234);

            req.SetNodeId(nodeId);
            Resource capability = BuilderUtils.NewResource(1024, 1);

            req.SetResource(capability);
            RegisterNodeManagerResponse response1 = resourceTrackerService.RegisterNodeManager
                                                        (req);

            NUnit.Framework.Assert.AreEqual(NodeAction.Shutdown, response1.GetNodeAction());
            capability.SetMemory(2048);
            capability.SetVirtualCores(1);
            req.SetResource(capability);
            RegisterNodeManagerResponse response2 = resourceTrackerService.RegisterNodeManager
                                                        (req);

            NUnit.Framework.Assert.AreEqual(NodeAction.Shutdown, response2.GetNodeAction());
            capability.SetMemory(1024);
            capability.SetVirtualCores(4);
            req.SetResource(capability);
            RegisterNodeManagerResponse response3 = resourceTrackerService.RegisterNodeManager
                                                        (req);

            NUnit.Framework.Assert.AreEqual(NodeAction.Shutdown, response3.GetNodeAction());
            capability.SetMemory(2048);
            capability.SetVirtualCores(4);
            req.SetResource(capability);
            RegisterNodeManagerResponse response4 = resourceTrackerService.RegisterNodeManager
                                                        (req);

            NUnit.Framework.Assert.AreEqual(NodeAction.Normal, response4.GetNodeAction());
        }
コード例 #7
0
        /// <exception cref="Com.Google.Protobuf.ServiceException"/>
        public virtual YarnServerCommonServiceProtos.RegisterNodeManagerResponseProto RegisterNodeManager
            (RpcController controller, YarnServerCommonServiceProtos.RegisterNodeManagerRequestProto
            proto)
        {
            RegisterNodeManagerRequestPBImpl request = new RegisterNodeManagerRequestPBImpl(proto
                                                                                            );

            try
            {
                RegisterNodeManagerResponse response = real.RegisterNodeManager(request);
                return(((RegisterNodeManagerResponsePBImpl)response).GetProto());
            }
            catch (YarnException e)
            {
                throw new ServiceException(e);
            }
            catch (IOException e)
            {
                throw new ServiceException(e);
            }
        }
コード例 #8
0
ファイル: MockNM.cs プロジェクト: orf53975/hadoop.net
        /// <exception cref="System.Exception"/>
        public virtual RegisterNodeManagerResponse RegisterNode(IList <NMContainerStatus>
                                                                containerReports, IList <ApplicationId> runningApplications)
        {
            RegisterNodeManagerRequest req = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <RegisterNodeManagerRequest
                                                                                            >();

            req.SetNodeId(nodeId);
            req.SetHttpPort(httpPort);
            Resource resource = BuilderUtils.NewResource(memory, vCores);

            req.SetResource(resource);
            req.SetContainerStatuses(containerReports);
            req.SetNMVersion(version);
            req.SetRunningApplications(runningApplications);
            RegisterNodeManagerResponse registrationResponse = resourceTracker.RegisterNodeManager
                                                                   (req);

            this.currentContainerTokenMasterKey = registrationResponse.GetContainerTokenMasterKey
                                                      ();
            this.currentNMTokenMasterKey = registrationResponse.GetNMTokenMasterKey();
            return(registrationResponse);
        }
コード例 #9
0
        public virtual void TestNodeRegistrationFailure()
        {
            WriteToHostsFile("host1");
            Configuration conf = new Configuration();

            conf.Set(YarnConfiguration.RmNodesIncludeFilePath, hostFile.GetAbsolutePath());
            rm = new MockRM(conf);
            rm.Start();
            ResourceTrackerService     resourceTrackerService = rm.GetResourceTrackerService();
            RegisterNodeManagerRequest req = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <RegisterNodeManagerRequest
                                                                                            >();
            NodeId nodeId = NodeId.NewInstance("host2", 1234);

            req.SetNodeId(nodeId);
            req.SetHttpPort(1234);
            // trying to register a invalid node.
            RegisterNodeManagerResponse response = resourceTrackerService.RegisterNodeManager
                                                       (req);

            NUnit.Framework.Assert.AreEqual(NodeAction.Shutdown, response.GetNodeAction());
            NUnit.Framework.Assert.AreEqual("Disallowed NodeManager from  host2, Sending SHUTDOWN signal to the NodeManager."
                                            , response.GetDiagnosticsMessage());
        }
コード例 #10
0
        public virtual void TestNodeRegistrationSuccess()
        {
            WriteToHostsFile("host2");
            Configuration conf = new Configuration();

            conf.Set(YarnConfiguration.RmNodesIncludeFilePath, hostFile.GetAbsolutePath());
            rm = new MockRM(conf);
            rm.Start();
            ResourceTrackerService     resourceTrackerService = rm.GetResourceTrackerService();
            RegisterNodeManagerRequest req = Org.Apache.Hadoop.Yarn.Util.Records.NewRecord <RegisterNodeManagerRequest
                                                                                            >();
            NodeId   nodeId     = NodeId.NewInstance("host2", 1234);
            Resource capability = BuilderUtils.NewResource(1024, 1);

            req.SetResource(capability);
            req.SetNodeId(nodeId);
            req.SetHttpPort(1234);
            req.SetNMVersion(YarnVersionInfo.GetVersion());
            // trying to register a invalid node.
            RegisterNodeManagerResponse response = resourceTrackerService.RegisterNodeManager
                                                       (req);

            NUnit.Framework.Assert.AreEqual(NodeAction.Normal, response.GetNodeAction());
        }
コード例 #11
0
        protected internal virtual void RegisterWithRM()
        {
            IList <NMContainerStatus>  containerReports = GetNMContainerStatuses();
            RegisterNodeManagerRequest request          = RegisterNodeManagerRequest.NewInstance(nodeId
                                                                                                 , httpPort, totalResource, nodeManagerVersionId, containerReports, GetRunningApplications
                                                                                                     ());

            if (containerReports != null)
            {
                Log.Info("Registering with RM using containers :" + containerReports);
            }
            RegisterNodeManagerResponse regNMResponse = resourceTracker.RegisterNodeManager(request
                                                                                            );

            this.rmIdentifier = regNMResponse.GetRMIdentifier();
            // if the Resourcemanager instructs NM to shutdown.
            if (NodeAction.Shutdown.Equals(regNMResponse.GetNodeAction()))
            {
                string message = "Message from ResourceManager: " + regNMResponse.GetDiagnosticsMessage
                                     ();
                throw new YarnRuntimeException("Recieved SHUTDOWN signal from Resourcemanager ,Registration of NodeManager failed, "
                                               + message);
            }
            // if ResourceManager version is too old then shutdown
            if (!minimumResourceManagerVersion.Equals("NONE"))
            {
                if (minimumResourceManagerVersion.Equals("EqualToNM"))
                {
                    minimumResourceManagerVersion = nodeManagerVersionId;
                }
                string rmVersion = regNMResponse.GetRMVersion();
                if (rmVersion == null)
                {
                    string message = "The Resource Manager's did not return a version. " + "Valid version cannot be checked.";
                    throw new YarnRuntimeException("Shutting down the Node Manager. " + message);
                }
                if (VersionUtil.CompareVersions(rmVersion, minimumResourceManagerVersion) < 0)
                {
                    string message = "The Resource Manager's version (" + rmVersion + ") is less than the minimum "
                                     + "allowed version " + minimumResourceManagerVersion;
                    throw new YarnRuntimeException("Shutting down the Node Manager on RM " + "version error, "
                                                   + message);
                }
            }
            MasterKey masterKey = regNMResponse.GetContainerTokenMasterKey();

            // do this now so that its set before we start heartbeating to RM
            // It is expected that status updater is started by this point and
            // RM gives the shared secret in registration during
            // StatusUpdater#start().
            if (masterKey != null)
            {
                this.context.GetContainerTokenSecretManager().SetMasterKey(masterKey);
            }
            masterKey = regNMResponse.GetNMTokenMasterKey();
            if (masterKey != null)
            {
                this.context.GetNMTokenSecretManager().SetMasterKey(masterKey);
            }
            Log.Info("Registered with ResourceManager as " + this.nodeId + " with total resource of "
                     + this.totalResource);
            Log.Info("Notifying ContainerManager to unblock new container-requests");
            ((ContainerManagerImpl)this.context.GetContainerManager()).SetBlockNewContainerRequests
                (false);
        }
コード例 #12
0
        /// <exception cref="System.Exception"/>
        private void ValidateRMNMKeyExchange(YarnConfiguration conf)
        {
            // Default rolling and activation intervals are large enough, no need to
            // intervene
            DrainDispatcher dispatcher = new DrainDispatcher();
            ResourceManager rm         = new _ResourceManager_56(dispatcher);

            // Do nothing.
            // Don't need it, skip.
            rm.Init(conf);
            rm.Start();
            // Testing ContainerToken and NMToken
            string containerToken = "Container Token : ";
            string nmToken        = "NM Token : ";
            MockNM nm             = new MockNM("host:1234", 3072, rm.GetResourceTrackerService());
            RegisterNodeManagerResponse registrationResponse = nm.RegisterNode();
            MasterKey containerTokenMasterKey = registrationResponse.GetContainerTokenMasterKey
                                                    ();

            NUnit.Framework.Assert.IsNotNull(containerToken + "Registration should cause a key-update!"
                                             , containerTokenMasterKey);
            MasterKey nmTokenMasterKey = registrationResponse.GetNMTokenMasterKey();

            NUnit.Framework.Assert.IsNotNull(nmToken + "Registration should cause a key-update!"
                                             , nmTokenMasterKey);
            dispatcher.Await();
            NodeHeartbeatResponse response = nm.NodeHeartbeat(true);

            NUnit.Framework.Assert.IsNull(containerToken + "First heartbeat after registration shouldn't get any key updates!"
                                          , response.GetContainerTokenMasterKey());
            NUnit.Framework.Assert.IsNull(nmToken + "First heartbeat after registration shouldn't get any key updates!"
                                          , response.GetNMTokenMasterKey());
            dispatcher.Await();
            response = nm.NodeHeartbeat(true);
            NUnit.Framework.Assert.IsNull(containerToken + "Even second heartbeat after registration shouldn't get any key updates!"
                                          , response.GetContainerTokenMasterKey());
            NUnit.Framework.Assert.IsNull(nmToken + "Even second heartbeat after registration shouldn't get any key updates!"
                                          , response.GetContainerTokenMasterKey());
            dispatcher.Await();
            // Let's force a roll-over
            rm.GetRMContext().GetContainerTokenSecretManager().RollMasterKey();
            rm.GetRMContext().GetNMTokenSecretManager().RollMasterKey();
            // Heartbeats after roll-over and before activation should be fine.
            response = nm.NodeHeartbeat(true);
            NUnit.Framework.Assert.IsNotNull(containerToken + "Heartbeats after roll-over and before activation should not err out."
                                             , response.GetContainerTokenMasterKey());
            NUnit.Framework.Assert.IsNotNull(nmToken + "Heartbeats after roll-over and before activation should not err out."
                                             , response.GetNMTokenMasterKey());
            NUnit.Framework.Assert.AreEqual(containerToken + "Roll-over should have incremented the key-id only by one!"
                                            , containerTokenMasterKey.GetKeyId() + 1, response.GetContainerTokenMasterKey().
                                            GetKeyId());
            NUnit.Framework.Assert.AreEqual(nmToken + "Roll-over should have incremented the key-id only by one!"
                                            , nmTokenMasterKey.GetKeyId() + 1, response.GetNMTokenMasterKey().GetKeyId());
            dispatcher.Await();
            response = nm.NodeHeartbeat(true);
            NUnit.Framework.Assert.IsNull(containerToken + "Second heartbeat after roll-over shouldn't get any key updates!"
                                          , response.GetContainerTokenMasterKey());
            NUnit.Framework.Assert.IsNull(nmToken + "Second heartbeat after roll-over shouldn't get any key updates!"
                                          , response.GetNMTokenMasterKey());
            dispatcher.Await();
            // Let's force activation
            rm.GetRMContext().GetContainerTokenSecretManager().ActivateNextMasterKey();
            rm.GetRMContext().GetNMTokenSecretManager().ActivateNextMasterKey();
            response = nm.NodeHeartbeat(true);
            NUnit.Framework.Assert.IsNull(containerToken + "Activation shouldn't cause any key updates!"
                                          , response.GetContainerTokenMasterKey());
            NUnit.Framework.Assert.IsNull(nmToken + "Activation shouldn't cause any key updates!"
                                          , response.GetNMTokenMasterKey());
            dispatcher.Await();
            response = nm.NodeHeartbeat(true);
            NUnit.Framework.Assert.IsNull(containerToken + "Even second heartbeat after activation shouldn't get any key updates!"
                                          , response.GetContainerTokenMasterKey());
            NUnit.Framework.Assert.IsNull(nmToken + "Even second heartbeat after activation shouldn't get any key updates!"
                                          , response.GetNMTokenMasterKey());
            dispatcher.Await();
            rm.Stop();
        }
コード例 #13
0
        /// <exception cref="Org.Apache.Hadoop.Yarn.Exceptions.YarnException"/>
        /// <exception cref="System.IO.IOException"/>
        public virtual RegisterNodeManagerResponse RegisterNodeManager(RegisterNodeManagerRequest
                                                                       request)
        {
            NodeId   nodeId                      = request.GetNodeId();
            string   host                        = nodeId.GetHost();
            int      cmPort                      = nodeId.GetPort();
            int      httpPort                    = request.GetHttpPort();
            Resource capability                  = request.GetResource();
            string   nodeManagerVersion          = request.GetNMVersion();
            RegisterNodeManagerResponse response = recordFactory.NewRecordInstance <RegisterNodeManagerResponse
                                                                                    >();

            if (!minimumNodeManagerVersion.Equals("NONE"))
            {
                if (minimumNodeManagerVersion.Equals("EqualToRM"))
                {
                    minimumNodeManagerVersion = YarnVersionInfo.GetVersion();
                }
                if ((nodeManagerVersion == null) || (VersionUtil.CompareVersions(nodeManagerVersion
                                                                                 , minimumNodeManagerVersion)) < 0)
                {
                    string message = "Disallowed NodeManager Version " + nodeManagerVersion + ", is less than the minimum version "
                                     + minimumNodeManagerVersion + " sending SHUTDOWN signal to " + "NodeManager.";
                    Log.Info(message);
                    response.SetDiagnosticsMessage(message);
                    response.SetNodeAction(NodeAction.Shutdown);
                    return(response);
                }
            }
            // Check if this node is a 'valid' node
            if (!this.nodesListManager.IsValidNode(host))
            {
                string message = "Disallowed NodeManager from  " + host + ", Sending SHUTDOWN signal to the NodeManager.";
                Log.Info(message);
                response.SetDiagnosticsMessage(message);
                response.SetNodeAction(NodeAction.Shutdown);
                return(response);
            }
            // Check if this node has minimum allocations
            if (capability.GetMemory() < minAllocMb || capability.GetVirtualCores() < minAllocVcores)
            {
                string message = "NodeManager from  " + host + " doesn't satisfy minimum allocations, Sending SHUTDOWN"
                                 + " signal to the NodeManager.";
                Log.Info(message);
                response.SetDiagnosticsMessage(message);
                response.SetNodeAction(NodeAction.Shutdown);
                return(response);
            }
            response.SetContainerTokenMasterKey(containerTokenSecretManager.GetCurrentKey());
            response.SetNMTokenMasterKey(nmTokenSecretManager.GetCurrentKey());
            RMNode rmNode = new RMNodeImpl(nodeId, rmContext, host, cmPort, httpPort, Resolve
                                               (host), capability, nodeManagerVersion);
            RMNode oldNode = this.rmContext.GetRMNodes().PutIfAbsent(nodeId, rmNode);

            if (oldNode == null)
            {
                this.rmContext.GetDispatcher().GetEventHandler().Handle(new RMNodeStartedEvent(nodeId
                                                                                               , request.GetNMContainerStatuses(), request.GetRunningApplications()));
            }
            else
            {
                Log.Info("Reconnect from the node at: " + host);
                this.nmLivelinessMonitor.Unregister(nodeId);
                // Reset heartbeat ID since node just restarted.
                oldNode.ResetLastNodeHeartBeatResponse();
                this.rmContext.GetDispatcher().GetEventHandler().Handle(new RMNodeReconnectEvent(
                                                                            nodeId, rmNode, request.GetRunningApplications(), request.GetNMContainerStatuses
                                                                                ()));
            }
            // On every node manager register we will be clearing NMToken keys if
            // present for any running application.
            this.nmTokenSecretManager.RemoveNodeKey(nodeId);
            this.nmLivelinessMonitor.Register(nodeId);
            // Handle received container status, this should be processed after new
            // RMNode inserted
            if (!rmContext.IsWorkPreservingRecoveryEnabled())
            {
                if (!request.GetNMContainerStatuses().IsEmpty())
                {
                    Log.Info("received container statuses on node manager register :" + request.GetNMContainerStatuses
                                 ());
                    foreach (NMContainerStatus status in request.GetNMContainerStatuses())
                    {
                        HandleNMContainerStatus(status, nodeId);
                    }
                }
            }
            string message_1 = "NodeManager from node " + host + "(cmPort: " + cmPort + " httpPort: "
                               + httpPort + ") " + "registered with capability: " + capability + ", assigned nodeId "
                               + nodeId;

            Log.Info(message_1);
            response.SetNodeAction(NodeAction.Normal);
            response.SetRMIdentifier(ResourceManager.GetClusterTimeStamp());
            response.SetRMVersion(YarnVersionInfo.GetVersion());
            return(response);
        }