public virtual void TestOffSwitchSchedulingMultiLevelQueues()
        {
            // Setup queue configs
            SetupMultiLevelQueues(csConf);
            //B3
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
            CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                                        .Root, queues, queues, TestUtils.spyHook);
            // Setup some nodes
            int memoryPerNode        = 10;
            int coresPerNode         = 10;
            int numNodes             = 2;
            FiCaSchedulerNode node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, memoryPerNode
                                                             * Gb);
            FiCaSchedulerNode node_1 = TestUtils.GetMockNode("host_1", DefaultRack, 0, memoryPerNode
                                                             * Gb);

            Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
                                                                              (numNodes * (memoryPerNode * Gb), numNodes * coresPerNode);
            Org.Mockito.Mockito.When(csContext.GetNumClusterNodes()).ThenReturn(numNodes);
            // Start testing
            LeafQueue b3 = (LeafQueue)queues[B3];
            LeafQueue b2 = (LeafQueue)queues[B2];

            // Simulate B3 returning a container on node_0
            StubQueueAllocation(b2, clusterResource, node_0, 0 * Gb, NodeType.OffSwitch);
            StubQueueAllocation(b3, clusterResource, node_0, 1 * Gb, NodeType.OffSwitch);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            VerifyQueueMetrics(b2, 0 * Gb, clusterResource);
            VerifyQueueMetrics(b3, 1 * Gb, clusterResource);
            // Now, B2 should get the scheduling opportunity since B2=0G/2G, B3=1G/7G
            // also, B3 gets a scheduling opportunity since B2 allocates RACK_LOCAL
            StubQueueAllocation(b2, clusterResource, node_1, 1 * Gb, NodeType.RackLocal);
            StubQueueAllocation(b3, clusterResource, node_1, 1 * Gb, NodeType.OffSwitch);
            root.AssignContainers(clusterResource, node_1, new ResourceLimits(clusterResource
                                                                              ));
            InOrder allocationOrder = Org.Mockito.Mockito.InOrder(b2, b3);

            allocationOrder.Verify(b2).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                        <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(b3).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                        <FiCaSchedulerNode>(), AnyResourceLimits());
            VerifyQueueMetrics(b2, 1 * Gb, clusterResource);
            VerifyQueueMetrics(b3, 2 * Gb, clusterResource);
            // Now, B3 should get the scheduling opportunity
            // since B2 has 1/2G while B3 has 2/7G,
            // However, since B3 returns off-switch, B2 won't get an opportunity
            StubQueueAllocation(b2, clusterResource, node_0, 1 * Gb, NodeType.NodeLocal);
            StubQueueAllocation(b3, clusterResource, node_0, 1 * Gb, NodeType.OffSwitch);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            allocationOrder = Org.Mockito.Mockito.InOrder(b3, b2);
            allocationOrder.Verify(b3).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                        <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(b2).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                        <FiCaSchedulerNode>(), AnyResourceLimits());
            VerifyQueueMetrics(b2, 1 * Gb, clusterResource);
            VerifyQueueMetrics(b3, 3 * Gb, clusterResource);
        }
        public virtual void TestQueueCapacityZero()
        {
            // Setup queue configs
            SetupMultiLevelQueues(csConf);
            // set parent and child capacity to 0
            string QB = CapacitySchedulerConfiguration.Root + "." + B;

            csConf.SetCapacity(QB, 0);
            csConf.SetCapacity(QB + "." + B1, 0);
            csConf.SetCapacity(QB + "." + B2, 0);
            csConf.SetCapacity(QB + "." + B3, 0);
            string QA = CapacitySchedulerConfiguration.Root + "." + A;

            csConf.SetCapacity(QA, 60);
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();

            try
            {
                CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                             .Root, queues, queues, TestUtils.spyHook);
            }
            catch (ArgumentException e)
            {
                NUnit.Framework.Assert.Fail("Failed to create queues with 0 capacity: " + e);
            }
            NUnit.Framework.Assert.IsTrue("Failed to create queues with 0 capacity", true);
        }
        /// <exception cref="System.Exception"/>
        public virtual void TestQueueCapacitySettingChildZero()
        {
            // Setup queue configs
            SetupMultiLevelQueues(csConf);
            // set child queues capacity to 0 when parents not 0
            string QB = CapacitySchedulerConfiguration.Root + "." + B;

            csConf.SetCapacity(QB + "." + B1, 0);
            csConf.SetCapacity(QB + "." + B2, 0);
            csConf.SetCapacity(QB + "." + B3, 0);
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();

            CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                         .Root, queues, queues, TestUtils.spyHook);
        }
Exemple #4
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        public virtual void SetUp()
        {
            CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration();
            YarnConfiguration conf = new YarnConfiguration();

            SetupQueueConfiguration(csConf);
            rmContext = TestUtils.GetMockRMContext();
            CapacitySchedulerContext csContext = Org.Mockito.Mockito.Mock <CapacitySchedulerContext
                                                                           >();

            Org.Mockito.Mockito.When(csContext.GetConfiguration()).ThenReturn(csConf);
            Org.Mockito.Mockito.When(csContext.GetConf()).ThenReturn(conf);
            Org.Mockito.Mockito.When(csContext.GetMinimumResourceCapability()).ThenReturn(Resources
                                                                                          .CreateResource(Gb, 1));
            Org.Mockito.Mockito.When(csContext.GetMaximumResourceCapability()).ThenReturn(Resources
                                                                                          .CreateResource(16 * Gb, 32));
            Org.Mockito.Mockito.When(csContext.GetClusterResource()).ThenReturn(Resources.CreateResource
                                                                                    (10 * 16 * Gb, 10 * 32));
            Org.Mockito.Mockito.When(csContext.GetApplicationComparator()).ThenReturn(CapacityScheduler
                                                                                      .applicationComparator);
            Org.Mockito.Mockito.When(csContext.GetQueueComparator()).ThenReturn(CapacityScheduler
                                                                                .queueComparator);
            Org.Mockito.Mockito.When(csContext.GetResourceCalculator()).ThenReturn(resourceCalculator
                                                                                   );
            Org.Mockito.Mockito.When(csContext.GetRMContext()).ThenReturn(rmContext);
            RMContainerTokenSecretManager containerTokenSecretManager = new RMContainerTokenSecretManager
                                                                            (conf);

            containerTokenSecretManager.RollMasterKey();
            Org.Mockito.Mockito.When(csContext.GetContainerTokenSecretManager()).ThenReturn(containerTokenSecretManager
                                                                                            );
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
            CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues
                                                        , queues, TestUtils.spyHook);

            queue = Org.Mockito.Mockito.Spy(new LeafQueue(csContext, A, root, null));
            // Stub out ACL checks
            Org.Mockito.Mockito.DoReturn(true).When(queue).HasAccess(Matchers.Any <QueueACL>()
                                                                     , Matchers.Any <UserGroupInformation>());
            // Some default values
            Org.Mockito.Mockito.DoReturn(100).When(queue).GetMaxApplications();
            Org.Mockito.Mockito.DoReturn(25).When(queue).GetMaxApplicationsPerUser();
        }
        public virtual void TestQueueAcl()
        {
            SetupMultiLevelQueues(csConf);
            csConf.SetAcl(CapacitySchedulerConfiguration.Root, QueueACL.SubmitApplications, " "
                          );
            csConf.SetAcl(CapacitySchedulerConfiguration.Root, QueueACL.AdministerQueue, " ");
            string QC = CapacitySchedulerConfiguration.Root + "." + C;

            csConf.SetAcl(QC, QueueACL.AdministerQueue, "*");
            string QC11 = QC + "." + C1 + "." + C11;

            csConf.SetAcl(QC11, QueueACL.SubmitApplications, "*");
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
            CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                                        .Root, queues, queues, TestUtils.spyHook);
            YarnAuthorizationProvider authorizer = YarnAuthorizationProvider.GetInstance(conf
                                                                                         );

            CapacityScheduler.SetQueueAcls(authorizer, queues);
            UserGroupInformation user = UserGroupInformation.GetCurrentUser();
            // Setup queue configs
            ParentQueue c    = (ParentQueue)queues[C];
            ParentQueue c1   = (ParentQueue)queues[C1];
            ParentQueue c11  = (ParentQueue)queues[C11];
            ParentQueue c111 = (ParentQueue)queues[C111];

            NUnit.Framework.Assert.IsFalse(root.HasAccess(QueueACL.AdministerQueue, user));
            IList <QueueUserACLInfo> aclInfos = root.GetQueueUserAclInfo(user);

            NUnit.Framework.Assert.IsFalse(HasQueueACL(aclInfos, QueueACL.AdministerQueue, "root"
                                                       ));
            NUnit.Framework.Assert.IsFalse(root.HasAccess(QueueACL.SubmitApplications, user));
            NUnit.Framework.Assert.IsFalse(HasQueueACL(aclInfos, QueueACL.SubmitApplications,
                                                       "root"));
            // c has no SA, but QA
            NUnit.Framework.Assert.IsTrue(c.HasAccess(QueueACL.AdministerQueue, user));
            NUnit.Framework.Assert.IsTrue(HasQueueACL(aclInfos, QueueACL.AdministerQueue, "c"
                                                      ));
            NUnit.Framework.Assert.IsFalse(c.HasAccess(QueueACL.SubmitApplications, user));
            NUnit.Framework.Assert.IsFalse(HasQueueACL(aclInfos, QueueACL.SubmitApplications,
                                                       "c"));
            //Queue c1 has QA, no SA (gotten perm from parent)
            NUnit.Framework.Assert.IsTrue(c1.HasAccess(QueueACL.AdministerQueue, user));
            NUnit.Framework.Assert.IsTrue(HasQueueACL(aclInfos, QueueACL.AdministerQueue, "c1"
                                                      ));
            NUnit.Framework.Assert.IsFalse(c1.HasAccess(QueueACL.SubmitApplications, user));
            NUnit.Framework.Assert.IsFalse(HasQueueACL(aclInfos, QueueACL.SubmitApplications,
                                                       "c1"));
            //Queue c11 has permissions from parent queue and SA
            NUnit.Framework.Assert.IsTrue(c11.HasAccess(QueueACL.AdministerQueue, user));
            NUnit.Framework.Assert.IsTrue(HasQueueACL(aclInfos, QueueACL.AdministerQueue, "c11"
                                                      ));
            NUnit.Framework.Assert.IsTrue(c11.HasAccess(QueueACL.SubmitApplications, user));
            NUnit.Framework.Assert.IsTrue(HasQueueACL(aclInfos, QueueACL.SubmitApplications,
                                                      "c11"));
            //Queue c111 has SA and AQ, both from parent
            NUnit.Framework.Assert.IsTrue(c111.HasAccess(QueueACL.AdministerQueue, user));
            NUnit.Framework.Assert.IsTrue(HasQueueACL(aclInfos, QueueACL.AdministerQueue, "c111"
                                                      ));
            NUnit.Framework.Assert.IsTrue(c111.HasAccess(QueueACL.SubmitApplications, user));
            NUnit.Framework.Assert.IsTrue(HasQueueACL(aclInfos, QueueACL.SubmitApplications,
                                                      "c111"));
            Org.Mockito.Mockito.Reset(c);
        }
        public virtual void TestMultiLevelQueues()
        {
            /*
             * Structure of queue:
             *            Root
             *           ____________
             *          /    |   \   \
             *         A     B    C   D
             *       / |   / | \   \
             *      A1 A2 B1 B2 B3  C1
             *                        \
             *                         C11
             *                           \
             *                           C111
             *                             \
             *                              C1111
             */
            // Setup queue configs
            SetupMultiLevelQueues(csConf);
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
            CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                                        .Root, queues, queues, TestUtils.spyHook);
            // Setup some nodes
            int memoryPerNode        = 10;
            int coresPerNode         = 16;
            int numNodes             = 3;
            FiCaSchedulerNode node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, memoryPerNode
                                                             * Gb);
            FiCaSchedulerNode node_1 = TestUtils.GetMockNode("host_1", DefaultRack, 0, memoryPerNode
                                                             * Gb);
            FiCaSchedulerNode node_2 = TestUtils.GetMockNode("host_2", DefaultRack, 0, memoryPerNode
                                                             * Gb);

            Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
                                                                              (numNodes * (memoryPerNode * Gb), numNodes * coresPerNode);
            Org.Mockito.Mockito.When(csContext.GetNumClusterNodes()).ThenReturn(numNodes);
            // Start testing
            CSQueue a  = queues[A];
            CSQueue b  = queues[B];
            CSQueue c  = queues[C];
            CSQueue d  = queues[D];
            CSQueue a1 = queues[A1];
            CSQueue a2 = queues[A2];
            CSQueue b1 = queues[B1];
            CSQueue b2 = queues[B2];
            CSQueue b3 = queues[B3];

            // Simulate C returning a container on node_0
            StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(b, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(c, clusterResource, node_0, 1 * Gb);
            StubQueueAllocation(d, clusterResource, node_0, 0 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            VerifyQueueMetrics(a, 0 * Gb, clusterResource);
            VerifyQueueMetrics(b, 0 * Gb, clusterResource);
            VerifyQueueMetrics(c, 1 * Gb, clusterResource);
            VerifyQueueMetrics(d, 0 * Gb, clusterResource);
            Org.Mockito.Mockito.Reset(a);
            Org.Mockito.Mockito.Reset(b);
            Org.Mockito.Mockito.Reset(c);
            // Now get B2 to allocate
            // A = 0/3, B = 0/15, C = 1/6, D=0/6
            StubQueueAllocation(a, clusterResource, node_1, 0 * Gb);
            StubQueueAllocation(b2, clusterResource, node_1, 4 * Gb);
            StubQueueAllocation(c, clusterResource, node_1, 0 * Gb);
            root.AssignContainers(clusterResource, node_1, new ResourceLimits(clusterResource
                                                                              ));
            VerifyQueueMetrics(a, 0 * Gb, clusterResource);
            VerifyQueueMetrics(b, 4 * Gb, clusterResource);
            VerifyQueueMetrics(c, 1 * Gb, clusterResource);
            Org.Mockito.Mockito.Reset(a);
            Org.Mockito.Mockito.Reset(b);
            Org.Mockito.Mockito.Reset(c);
            // Now get both A1, C & B3 to allocate in right order
            // A = 0/3, B = 4/15, C = 1/6, D=0/6
            StubQueueAllocation(a1, clusterResource, node_0, 1 * Gb);
            StubQueueAllocation(b3, clusterResource, node_0, 2 * Gb);
            StubQueueAllocation(c, clusterResource, node_0, 2 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            InOrder allocationOrder = Org.Mockito.Mockito.InOrder(a, c, b);

            allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(c).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            VerifyQueueMetrics(a, 1 * Gb, clusterResource);
            VerifyQueueMetrics(b, 6 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            Org.Mockito.Mockito.Reset(a);
            Org.Mockito.Mockito.Reset(b);
            Org.Mockito.Mockito.Reset(c);
            // Now verify max-capacity
            // A = 1/3, B = 6/15, C = 3/6, D=0/6
            // Ensure a1 won't alloc above max-cap although it should get
            // scheduling opportunity now, right after a2
            Log.Info("here");
            ((ParentQueue)a).SetMaxCapacity(.1f);
            // a should be capped at 3/30
            StubQueueAllocation(a1, clusterResource, node_2, 1 * Gb);
            // shouldn't be
            // allocated due
            // to max-cap
            StubQueueAllocation(a2, clusterResource, node_2, 2 * Gb);
            StubQueueAllocation(b3, clusterResource, node_2, 1 * Gb);
            StubQueueAllocation(b1, clusterResource, node_2, 1 * Gb);
            StubQueueAllocation(c, clusterResource, node_2, 1 * Gb);
            root.AssignContainers(clusterResource, node_2, new ResourceLimits(clusterResource
                                                                              ));
            allocationOrder = Org.Mockito.Mockito.InOrder(a, a2, a1, b, c);
            allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(a2).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                        <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(c).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            VerifyQueueMetrics(a, 3 * Gb, clusterResource);
            VerifyQueueMetrics(b, 8 * Gb, clusterResource);
            VerifyQueueMetrics(c, 4 * Gb, clusterResource);
            Org.Mockito.Mockito.Reset(a);
            Org.Mockito.Mockito.Reset(b);
            Org.Mockito.Mockito.Reset(c);
        }
        public virtual void TestSingleLevelQueuesPrecision()
        {
            // Setup queue configs
            SetupSingleLevelQueues(csConf);
            string QA = CapacitySchedulerConfiguration.Root + "." + "a";

            csConf.SetCapacity(QA, 30);
            string QB = CapacitySchedulerConfiguration.Root + "." + "b";

            csConf.SetCapacity(QB, 70.5F);
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
            bool exceptionOccured = false;

            try
            {
                CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                             .Root, queues, queues, TestUtils.spyHook);
            }
            catch (ArgumentException)
            {
                exceptionOccured = true;
            }
            if (!exceptionOccured)
            {
                NUnit.Framework.Assert.Fail("Capacity is more then 100% so should be failed.");
            }
            csConf.SetCapacity(QA, 30);
            csConf.SetCapacity(QB, 70);
            exceptionOccured = false;
            queues.Clear();
            try
            {
                CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                             .Root, queues, queues, TestUtils.spyHook);
            }
            catch (ArgumentException)
            {
                exceptionOccured = true;
            }
            if (exceptionOccured)
            {
                NUnit.Framework.Assert.Fail("Capacity is 100% so should not be failed.");
            }
            csConf.SetCapacity(QA, 30);
            csConf.SetCapacity(QB, 70.005F);
            exceptionOccured = false;
            queues.Clear();
            try
            {
                CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                             .Root, queues, queues, TestUtils.spyHook);
            }
            catch (ArgumentException)
            {
                exceptionOccured = true;
            }
            if (exceptionOccured)
            {
                NUnit.Framework.Assert.Fail("Capacity is under PRECISION which is .05% so should not be failed."
                                            );
            }
        }
        public virtual void TestSingleLevelQueues()
        {
            // Setup queue configs
            SetupSingleLevelQueues(csConf);
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
            CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                                        .Root, queues, queues, TestUtils.spyHook);
            // Setup some nodes
            int memoryPerNode        = 10;
            int coresPerNode         = 16;
            int numNodes             = 2;
            FiCaSchedulerNode node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, memoryPerNode
                                                             * Gb);
            FiCaSchedulerNode node_1 = TestUtils.GetMockNode("host_1", DefaultRack, 0, memoryPerNode
                                                             * Gb);

            Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
                                                                              (numNodes * (memoryPerNode * Gb), numNodes * coresPerNode);
            Org.Mockito.Mockito.When(csContext.GetNumClusterNodes()).ThenReturn(numNodes);
            // Start testing
            LeafQueue a = (LeafQueue)queues[A];
            LeafQueue b = (LeafQueue)queues[B];

            // Simulate B returning a container on node_0
            StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(b, clusterResource, node_0, 1 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            VerifyQueueMetrics(a, 0 * Gb, clusterResource);
            VerifyQueueMetrics(b, 1 * Gb, clusterResource);
            // Now, A should get the scheduling opportunity since A=0G/6G, B=1G/14G
            StubQueueAllocation(a, clusterResource, node_1, 2 * Gb);
            StubQueueAllocation(b, clusterResource, node_1, 1 * Gb);
            root.AssignContainers(clusterResource, node_1, new ResourceLimits(clusterResource
                                                                              ));
            InOrder allocationOrder = Org.Mockito.Mockito.InOrder(a, b);

            allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            VerifyQueueMetrics(a, 2 * Gb, clusterResource);
            VerifyQueueMetrics(b, 2 * Gb, clusterResource);
            // Now, B should get the scheduling opportunity
            // since A has 2/6G while B has 2/14G
            StubQueueAllocation(a, clusterResource, node_0, 1 * Gb);
            StubQueueAllocation(b, clusterResource, node_0, 2 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            allocationOrder = Org.Mockito.Mockito.InOrder(b, a);
            allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            VerifyQueueMetrics(a, 3 * Gb, clusterResource);
            VerifyQueueMetrics(b, 4 * Gb, clusterResource);
            // Now, B should still get the scheduling opportunity
            // since A has 3/6G while B has 4/14G
            StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(b, clusterResource, node_0, 4 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            allocationOrder = Org.Mockito.Mockito.InOrder(b, a);
            allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            VerifyQueueMetrics(a, 3 * Gb, clusterResource);
            VerifyQueueMetrics(b, 8 * Gb, clusterResource);
            // Now, A should get the scheduling opportunity
            // since A has 3/6G while B has 8/14G
            StubQueueAllocation(a, clusterResource, node_1, 1 * Gb);
            StubQueueAllocation(b, clusterResource, node_1, 1 * Gb);
            root.AssignContainers(clusterResource, node_1, new ResourceLimits(clusterResource
                                                                              ));
            allocationOrder = Org.Mockito.Mockito.InOrder(a, b);
            allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            allocationOrder.Verify(a).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), AnyResourceLimits());
            VerifyQueueMetrics(a, 4 * Gb, clusterResource);
            VerifyQueueMetrics(b, 9 * Gb, clusterResource);
        }
Exemple #9
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        public virtual void TestSortedQueues()
        {
            // Setup queue configs
            SetupSortedQueues(csConf);
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
            CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, CapacitySchedulerConfiguration
                                                        .Root, queues, queues, TestUtils.spyHook);
            // Setup some nodes
            int memoryPerNode        = 10;
            int coresPerNode         = 16;
            int numNodes             = 1;
            FiCaSchedulerNode node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, memoryPerNode
                                                             * Gb);

            Org.Mockito.Mockito.DoNothing().When(node_0).ReleaseContainer(Matchers.Any <Container
                                                                                        >());
            Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
                                                                              (numNodes * (memoryPerNode * Gb), numNodes * coresPerNode);
            Org.Mockito.Mockito.When(csContext.GetNumClusterNodes()).ThenReturn(numNodes);
            // Start testing
            CSQueue a      = queues[A];
            CSQueue b      = queues[B];
            CSQueue c      = queues[C];
            CSQueue d      = queues[D];
            string  user_0 = "user_0";
            // Stub an App and its containerCompleted
            FiCaSchedulerApp app_0 = GetMockApplication(0, user_0);

            Org.Mockito.Mockito.DoReturn(true).When(app_0).ContainerCompleted(Matchers.Any <RMContainer
                                                                                            >(), Matchers.Any <ContainerStatus>(), Matchers.Any <RMContainerEventType>());
            Priority priority = TestUtils.CreateMockPriority(1);
            ContainerAllocationExpirer expirer = Org.Mockito.Mockito.Mock <ContainerAllocationExpirer
                                                                           >();
            DrainDispatcher            drainDispatcher = new DrainDispatcher();
            RMApplicationHistoryWriter writer          = Org.Mockito.Mockito.Mock <RMApplicationHistoryWriter
                                                                                   >();
            SystemMetricsPublisher publisher = Org.Mockito.Mockito.Mock <SystemMetricsPublisher
                                                                         >();
            RMContext rmContext = Org.Mockito.Mockito.Mock <RMContext>();

            Org.Mockito.Mockito.When(rmContext.GetContainerAllocationExpirer()).ThenReturn(expirer
                                                                                           );
            Org.Mockito.Mockito.When(rmContext.GetDispatcher()).ThenReturn(drainDispatcher);
            Org.Mockito.Mockito.When(rmContext.GetRMApplicationHistoryWriter()).ThenReturn(writer
                                                                                           );
            Org.Mockito.Mockito.When(rmContext.GetSystemMetricsPublisher()).ThenReturn(publisher
                                                                                       );
            Org.Mockito.Mockito.When(rmContext.GetYarnConfiguration()).ThenReturn(new YarnConfiguration
                                                                                      ());
            ApplicationAttemptId appAttemptId = BuilderUtils.NewApplicationAttemptId(app_0.GetApplicationId
                                                                                         (), 1);
            ContainerId containerId = BuilderUtils.NewContainerId(appAttemptId, 1);
            Container   container   = TestUtils.GetMockContainer(containerId, node_0.GetNodeID(),
                                                                 Resources.CreateResource(1 * Gb), priority);
            RMContainer rmContainer = new RMContainerImpl(container, appAttemptId, node_0.GetNodeID
                                                              (), "user", rmContext);

            // Assign {1,2,3,4} 1GB containers respectively to queues
            StubQueueAllocation(a, clusterResource, node_0, 1 * Gb);
            StubQueueAllocation(b, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(c, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(d, clusterResource, node_0, 0 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            for (int i = 0; i < 2; i++)
            {
                StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(b, clusterResource, node_0, 1 * Gb);
                StubQueueAllocation(c, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(d, clusterResource, node_0, 0 * Gb);
                root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                                  ));
            }
            for (int i_1 = 0; i_1 < 3; i_1++)
            {
                StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(b, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(c, clusterResource, node_0, 1 * Gb);
                StubQueueAllocation(d, clusterResource, node_0, 0 * Gb);
                root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                                  ));
            }
            for (int i_2 = 0; i_2 < 4; i_2++)
            {
                StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(b, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(c, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(d, clusterResource, node_0, 1 * Gb);
                root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                                  ));
            }
            VerifyQueueMetrics(a, 1 * Gb, clusterResource);
            VerifyQueueMetrics(b, 2 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            VerifyQueueMetrics(d, 4 * Gb, clusterResource);
            Log.Info("status child-queues: " + ((ParentQueue)root).GetChildQueuesToPrint());
            //Release 3 x 1GB containers from D
            for (int i_3 = 0; i_3 < 3; i_3++)
            {
                d.CompletedContainer(clusterResource, app_0, node_0, rmContainer, null, RMContainerEventType
                                     .Kill, null, true);
            }
            VerifyQueueMetrics(a, 1 * Gb, clusterResource);
            VerifyQueueMetrics(b, 2 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            VerifyQueueMetrics(d, 1 * Gb, clusterResource);
            //reset manually resources on node
            node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, (memoryPerNode - 1 - 2 -
                                                                      3 - 1) * Gb);
            Log.Info("status child-queues: " + ((ParentQueue)root).GetChildQueuesToPrint());
            // Assign 2 x 1GB Containers to A
            for (int i_4 = 0; i_4 < 2; i_4++)
            {
                StubQueueAllocation(a, clusterResource, node_0, 1 * Gb);
                StubQueueAllocation(b, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(c, clusterResource, node_0, 0 * Gb);
                StubQueueAllocation(d, clusterResource, node_0, 0 * Gb);
                root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                                  ));
            }
            VerifyQueueMetrics(a, 3 * Gb, clusterResource);
            VerifyQueueMetrics(b, 2 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            VerifyQueueMetrics(d, 1 * Gb, clusterResource);
            Log.Info("status child-queues: " + ((ParentQueue)root).GetChildQueuesToPrint());
            //Release 1GB Container from A
            a.CompletedContainer(clusterResource, app_0, node_0, rmContainer, null, RMContainerEventType
                                 .Kill, null, true);
            VerifyQueueMetrics(a, 2 * Gb, clusterResource);
            VerifyQueueMetrics(b, 2 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            VerifyQueueMetrics(d, 1 * Gb, clusterResource);
            //reset manually resources on node
            node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, (memoryPerNode - 2 - 2 -
                                                                      3 - 1) * Gb);
            Log.Info("status child-queues: " + ((ParentQueue)root).GetChildQueuesToPrint());
            // Assign 1GB container to B
            StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(b, clusterResource, node_0, 1 * Gb);
            StubQueueAllocation(c, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(d, clusterResource, node_0, 0 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            VerifyQueueMetrics(a, 2 * Gb, clusterResource);
            VerifyQueueMetrics(b, 3 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            VerifyQueueMetrics(d, 1 * Gb, clusterResource);
            Log.Info("status child-queues: " + ((ParentQueue)root).GetChildQueuesToPrint());
            //Release 1GB container resources from B
            b.CompletedContainer(clusterResource, app_0, node_0, rmContainer, null, RMContainerEventType
                                 .Kill, null, true);
            VerifyQueueMetrics(a, 2 * Gb, clusterResource);
            VerifyQueueMetrics(b, 2 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            VerifyQueueMetrics(d, 1 * Gb, clusterResource);
            //reset manually resources on node
            node_0 = TestUtils.GetMockNode("host_0", DefaultRack, 0, (memoryPerNode - 2 - 2 -
                                                                      3 - 1) * Gb);
            Log.Info("status child-queues: " + ((ParentQueue)root).GetChildQueuesToPrint());
            // Assign 1GB container to A
            StubQueueAllocation(a, clusterResource, node_0, 1 * Gb);
            StubQueueAllocation(b, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(c, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(d, clusterResource, node_0, 0 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            VerifyQueueMetrics(a, 3 * Gb, clusterResource);
            VerifyQueueMetrics(b, 2 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            VerifyQueueMetrics(d, 1 * Gb, clusterResource);
            Log.Info("status child-queues: " + ((ParentQueue)root).GetChildQueuesToPrint());
            // Now do the real test, where B and D request a 1GB container
            // D should should get the next container if the order is correct
            StubQueueAllocation(a, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(b, clusterResource, node_0, 1 * Gb);
            StubQueueAllocation(c, clusterResource, node_0, 0 * Gb);
            StubQueueAllocation(d, clusterResource, node_0, 1 * Gb);
            root.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                              ));
            InOrder allocationOrder = Org.Mockito.Mockito.InOrder(d, b);

            allocationOrder.Verify(d).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), Matchers.Any <ResourceLimits>());
            allocationOrder.Verify(b).AssignContainers(Matchers.Eq(clusterResource), Matchers.Any
                                                       <FiCaSchedulerNode>(), Matchers.Any <ResourceLimits>());
            VerifyQueueMetrics(a, 3 * Gb, clusterResource);
            VerifyQueueMetrics(b, 2 * Gb, clusterResource);
            VerifyQueueMetrics(c, 3 * Gb, clusterResource);
            VerifyQueueMetrics(d, 2 * Gb, clusterResource);
            //D got the container
            Log.Info("status child-queues: " + ((ParentQueue)root).GetChildQueuesToPrint());
        }
Exemple #10
0
        public virtual void TestHeadroom()
        {
            CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration();

            csConf.SetUserLimit(CapacitySchedulerConfiguration.Root + "." + A, 25);
            SetupQueueConfiguration(csConf);
            YarnConfiguration        conf      = new YarnConfiguration();
            CapacitySchedulerContext csContext = Org.Mockito.Mockito.Mock <CapacitySchedulerContext
                                                                           >();

            Org.Mockito.Mockito.When(csContext.GetConfiguration()).ThenReturn(csConf);
            Org.Mockito.Mockito.When(csContext.GetConf()).ThenReturn(conf);
            Org.Mockito.Mockito.When(csContext.GetMinimumResourceCapability()).ThenReturn(Resources
                                                                                          .CreateResource(Gb));
            Org.Mockito.Mockito.When(csContext.GetMaximumResourceCapability()).ThenReturn(Resources
                                                                                          .CreateResource(16 * Gb));
            Org.Mockito.Mockito.When(csContext.GetApplicationComparator()).ThenReturn(CapacityScheduler
                                                                                      .applicationComparator);
            Org.Mockito.Mockito.When(csContext.GetQueueComparator()).ThenReturn(CapacityScheduler
                                                                                .queueComparator);
            Org.Mockito.Mockito.When(csContext.GetResourceCalculator()).ThenReturn(resourceCalculator
                                                                                   );
            Org.Mockito.Mockito.When(csContext.GetRMContext()).ThenReturn(rmContext);
            // Say cluster has 100 nodes of 16G each
            Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
                                                                              (100 * 16 * Gb);
            Org.Mockito.Mockito.When(csContext.GetClusterResource()).ThenReturn(clusterResource
                                                                                );
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();

            CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues, queues, TestUtils
                                         .spyHook);
            // Manipulate queue 'a'
            LeafQueue         queue         = TestLeafQueue.StubLeafQueue((LeafQueue)queues[A]);
            string            host_0        = "host_0";
            string            rack_0        = "rack_0";
            FiCaSchedulerNode node_0        = TestUtils.GetMockNode(host_0, rack_0, 0, 16 * Gb);
            string            user_0        = "user_0";
            string            user_1        = "user_1";
            RecordFactory     recordFactory = RecordFactoryProvider.GetRecordFactory(null);
            RMContext         rmContext     = TestUtils.GetMockRMContext();
            RMContext         spyRMContext  = Org.Mockito.Mockito.Spy(rmContext);
            ConcurrentMap <ApplicationId, RMApp> spyApps = Org.Mockito.Mockito.Spy(new ConcurrentHashMap
                                                                                   <ApplicationId, RMApp>());
            RMApp           rmApp             = Org.Mockito.Mockito.Mock <RMApp>();
            ResourceRequest amResourceRequest = Org.Mockito.Mockito.Mock <ResourceRequest>();

            Org.Apache.Hadoop.Yarn.Api.Records.Resource amResource = Resources.CreateResource
                                                                         (0, 0);
            Org.Mockito.Mockito.When(amResourceRequest.GetCapability()).ThenReturn(amResource
                                                                                   );
            Org.Mockito.Mockito.When(rmApp.GetAMResourceRequest()).ThenReturn(amResourceRequest
                                                                              );
            Org.Mockito.Mockito.DoReturn(rmApp).When(spyApps)[(ApplicationId)Matchers.Any()];
            Org.Mockito.Mockito.When(spyRMContext.GetRMApps()).ThenReturn(spyApps);
            Priority priority_1 = TestUtils.CreateMockPriority(1);
            // Submit first application with some resource-requests from user_0,
            // and check headroom
            ApplicationAttemptId appAttemptId_0_0 = TestUtils.GetMockApplicationAttemptId(0,
                                                                                          0);
            FiCaSchedulerApp app_0_0 = new FiCaSchedulerApp(appAttemptId_0_0, user_0, queue,
                                                            queue.GetActiveUsersManager(), spyRMContext);

            queue.SubmitApplicationAttempt(app_0_0, user_0);
            IList <ResourceRequest> app_0_0_requests = new AList <ResourceRequest>();

            app_0_0_requests.AddItem(TestUtils.CreateResourceRequest(ResourceRequest.Any, 1 *
                                                                     Gb, 2, true, priority_1, recordFactory));
            app_0_0.UpdateResourceRequests(app_0_0_requests);
            // Schedule to compute
            queue.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                               ));
            Org.Apache.Hadoop.Yarn.Api.Records.Resource expectedHeadroom = Resources.CreateResource
                                                                               (10 * 16 * Gb, 1);
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_0.GetHeadroom());
            // Submit second application from user_0, check headroom
            ApplicationAttemptId appAttemptId_0_1 = TestUtils.GetMockApplicationAttemptId(1,
                                                                                          0);
            FiCaSchedulerApp app_0_1 = new FiCaSchedulerApp(appAttemptId_0_1, user_0, queue,
                                                            queue.GetActiveUsersManager(), spyRMContext);

            queue.SubmitApplicationAttempt(app_0_1, user_0);
            IList <ResourceRequest> app_0_1_requests = new AList <ResourceRequest>();

            app_0_1_requests.AddItem(TestUtils.CreateResourceRequest(ResourceRequest.Any, 1 *
                                                                     Gb, 2, true, priority_1, recordFactory));
            app_0_1.UpdateResourceRequests(app_0_1_requests);
            // Schedule to compute
            queue.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                               ));
            // Schedule to compute
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_0.GetHeadroom());
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_1.GetHeadroom());
            // no change
            // Submit first application from user_1, check  for new headroom
            ApplicationAttemptId appAttemptId_1_0 = TestUtils.GetMockApplicationAttemptId(2,
                                                                                          0);
            FiCaSchedulerApp app_1_0 = new FiCaSchedulerApp(appAttemptId_1_0, user_1, queue,
                                                            queue.GetActiveUsersManager(), spyRMContext);

            queue.SubmitApplicationAttempt(app_1_0, user_1);
            IList <ResourceRequest> app_1_0_requests = new AList <ResourceRequest>();

            app_1_0_requests.AddItem(TestUtils.CreateResourceRequest(ResourceRequest.Any, 1 *
                                                                     Gb, 2, true, priority_1, recordFactory));
            app_1_0.UpdateResourceRequests(app_1_0_requests);
            // Schedule to compute
            queue.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                               ));
            // Schedule to compute
            expectedHeadroom = Resources.CreateResource(10 * 16 * Gb / 2, 1);
            // changes
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_0.GetHeadroom());
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_1.GetHeadroom());
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_1_0.GetHeadroom());
            // Now reduce cluster size and check for the smaller headroom
            clusterResource = Resources.CreateResource(90 * 16 * Gb);
            queue.AssignContainers(clusterResource, node_0, new ResourceLimits(clusterResource
                                                                               ));
            // Schedule to compute
            expectedHeadroom = Resources.CreateResource(9 * 16 * Gb / 2, 1);
            // changes
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_0.GetHeadroom());
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_0_1.GetHeadroom());
            NUnit.Framework.Assert.AreEqual(expectedHeadroom, app_1_0.GetHeadroom());
        }
Exemple #11
0
        public virtual void TestLimitsComputation()
        {
            CapacitySchedulerConfiguration csConf = new CapacitySchedulerConfiguration();

            SetupQueueConfiguration(csConf);
            YarnConfiguration        conf      = new YarnConfiguration();
            CapacitySchedulerContext csContext = Org.Mockito.Mockito.Mock <CapacitySchedulerContext
                                                                           >();

            Org.Mockito.Mockito.When(csContext.GetConfiguration()).ThenReturn(csConf);
            Org.Mockito.Mockito.When(csContext.GetConf()).ThenReturn(conf);
            Org.Mockito.Mockito.When(csContext.GetMinimumResourceCapability()).ThenReturn(Resources
                                                                                          .CreateResource(Gb, 1));
            Org.Mockito.Mockito.When(csContext.GetMaximumResourceCapability()).ThenReturn(Resources
                                                                                          .CreateResource(16 * Gb, 16));
            Org.Mockito.Mockito.When(csContext.GetApplicationComparator()).ThenReturn(CapacityScheduler
                                                                                      .applicationComparator);
            Org.Mockito.Mockito.When(csContext.GetQueueComparator()).ThenReturn(CapacityScheduler
                                                                                .queueComparator);
            Org.Mockito.Mockito.When(csContext.GetResourceCalculator()).ThenReturn(resourceCalculator
                                                                                   );
            Org.Mockito.Mockito.When(csContext.GetRMContext()).ThenReturn(rmContext);
            // Say cluster has 100 nodes of 16G each
            Org.Apache.Hadoop.Yarn.Api.Records.Resource clusterResource = Resources.CreateResource
                                                                              (100 * 16 * Gb, 100 * 16);
            Org.Mockito.Mockito.When(csContext.GetClusterResource()).ThenReturn(clusterResource
                                                                                );
            IDictionary <string, CSQueue> queues = new Dictionary <string, CSQueue>();
            CSQueue root = CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues
                                                        , queues, TestUtils.spyHook);
            LeafQueue queue = (LeafQueue)queues[A];

            Log.Info("Queue 'A' -" + " AMResourceLimit=" + queue.GetAMResourceLimit() + " UserAMResourceLimit="
                     + queue.GetUserAMResourceLimit());
            NUnit.Framework.Assert.AreEqual(queue.GetAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
                                            .NewInstance(160 * Gb, 1));
            NUnit.Framework.Assert.AreEqual(queue.GetUserAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
                                            .NewInstance(80 * Gb, 1));
            NUnit.Framework.Assert.AreEqual((int)(clusterResource.GetMemory() * queue.GetAbsoluteCapacity
                                                      ()), queue.GetMetrics().GetAvailableMB());
            // Add some nodes to the cluster & test new limits
            clusterResource = Resources.CreateResource(120 * 16 * Gb);
            root.UpdateClusterResource(clusterResource, new ResourceLimits(clusterResource));
            NUnit.Framework.Assert.AreEqual(queue.GetAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
                                            .NewInstance(192 * Gb, 1));
            NUnit.Framework.Assert.AreEqual(queue.GetUserAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
                                            .NewInstance(96 * Gb, 1));
            NUnit.Framework.Assert.AreEqual((int)(clusterResource.GetMemory() * queue.GetAbsoluteCapacity
                                                      ()), queue.GetMetrics().GetAvailableMB());
            // should return -1 if per queue setting not set
            NUnit.Framework.Assert.AreEqual((int)CapacitySchedulerConfiguration.Undefined, csConf
                                            .GetMaximumApplicationsPerQueue(queue.GetQueuePath()));
            int expectedMaxApps = (int)(CapacitySchedulerConfiguration.DefaultMaximumSystemApplicatiions
                                        * queue.GetAbsoluteCapacity());

            NUnit.Framework.Assert.AreEqual(expectedMaxApps, queue.GetMaxApplications());
            int expectedMaxAppsPerUser = (int)(expectedMaxApps * (queue.GetUserLimit() / 100.0f
                                                                  ) * queue.GetUserLimitFactor());

            NUnit.Framework.Assert.AreEqual(expectedMaxAppsPerUser, queue.GetMaxApplicationsPerUser
                                                ());
            // should default to global setting if per queue setting not set
            NUnit.Framework.Assert.AreEqual((long)CapacitySchedulerConfiguration.DefaultMaximumApplicationmastersResourcePercent
                                            , (long)csConf.GetMaximumApplicationMasterResourcePerQueuePercent(queue.GetQueuePath
                                                                                                                  ()));
            // Change the per-queue max AM resources percentage.
            csConf.SetFloat("yarn.scheduler.capacity." + queue.GetQueuePath() + ".maximum-am-resource-percent"
                            , 0.5f);
            // Re-create queues to get new configs.
            queues = new Dictionary <string, CSQueue>();
            root   = CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues, queues
                                                  , TestUtils.spyHook);
            clusterResource = Resources.CreateResource(100 * 16 * Gb);
            queue           = (LeafQueue)queues[A];
            NUnit.Framework.Assert.AreEqual((long)0.5, (long)csConf.GetMaximumApplicationMasterResourcePerQueuePercent
                                                (queue.GetQueuePath()));
            NUnit.Framework.Assert.AreEqual(queue.GetAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
                                            .NewInstance(800 * Gb, 1));
            NUnit.Framework.Assert.AreEqual(queue.GetUserAMResourceLimit(), Org.Apache.Hadoop.Yarn.Api.Records.Resource
                                            .NewInstance(400 * Gb, 1));
            // Change the per-queue max applications.
            csConf.SetInt("yarn.scheduler.capacity." + queue.GetQueuePath() + ".maximum-applications"
                          , 9999);
            // Re-create queues to get new configs.
            queues = new Dictionary <string, CSQueue>();
            root   = CapacityScheduler.ParseQueue(csContext, csConf, null, "root", queues, queues
                                                  , TestUtils.spyHook);
            queue = (LeafQueue)queues[A];
            NUnit.Framework.Assert.AreEqual(9999, (int)csConf.GetMaximumApplicationsPerQueue(
                                                queue.GetQueuePath()));
            NUnit.Framework.Assert.AreEqual(9999, queue.GetMaxApplications());
            expectedMaxAppsPerUser = (int)(9999 * (queue.GetUserLimit() / 100.0f) * queue.GetUserLimitFactor
                                               ());
            NUnit.Framework.Assert.AreEqual(expectedMaxAppsPerUser, queue.GetMaxApplicationsPerUser
                                                ());
        }