Examples with TestWordSpout org.apache.storm.testing.TestWordSpout used on opensource projects

Example 11 with TestWordSpout

use of org.apache.storm.testing.TestWordSpout in project incubator-atlas by apache.

the class StormTestUtil method createTestTopology.

public static StormTopology createTestTopology() {
    TopologyBuilder builder = new TopologyBuilder();
    builder.setSpout("words", new TestWordSpout(), 10);
    builder.setBolt("count", new TestWordCounter(), 3).shuffleGrouping("words");
    builder.setBolt("globalCount", new TestGlobalCount(), 2).shuffleGrouping("count");
    return builder.createTopology();
}

Example 12 with TestWordSpout

use of org.apache.storm.testing.TestWordSpout in project storm by apache.

the class TestResourceAwareScheduler method testScheduleResilience.

@Test
public void testScheduleResilience() {
    INimbus iNimbus = new TestUtilsForResourceAwareScheduler.INimbusTest();
    Map<String, Number> resourceMap = new HashMap<>();
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 400.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 2000.0);
    Map<String, SupervisorDetails> supMap = TestUtilsForResourceAwareScheduler.genSupervisors(2, 2, resourceMap);
    TopologyBuilder builder1 = new TopologyBuilder();
    builder1.setSpout("wordSpout1", new TestWordSpout(), 3);
    StormTopology stormTopology1 = builder1.createTopology();
    Config config1 = new Config();
    config1.putAll(defaultTopologyConf);
    Map<ExecutorDetails, String> executorMap1 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology1);
    TopologyDetails topology1 = new TopologyDetails("topology1", config1, stormTopology1, 3, executorMap1, 0);
    TopologyBuilder builder2 = new TopologyBuilder();
    builder2.setSpout("wordSpout2", new TestWordSpout(), 2);
    StormTopology stormTopology2 = builder2.createTopology();
    Config config2 = new Config();
    config2.putAll(defaultTopologyConf);
    // memory requirement is large enough so that two executors can not be fully assigned to one node
    config2.put(Config.TOPOLOGY_COMPONENT_RESOURCES_ONHEAP_MEMORY_MB, 1280.0);
    Map<ExecutorDetails, String> executorMap2 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology2);
    TopologyDetails topology2 = new TopologyDetails("topology2", config2, stormTopology2, 2, executorMap2, 0);
    // Test1: When a worker fails, RAS does not alter existing assignments on healthy workers
    Cluster cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config1);
    ResourceAwareScheduler rs = new ResourceAwareScheduler();
    Map<String, TopologyDetails> topoMap = new HashMap<>();
    topoMap.put(topology2.getId(), topology2);
    Topologies topologies = new Topologies(topoMap);
    rs.prepare(config1);
    rs.schedule(topologies, cluster);
    SchedulerAssignmentImpl assignment = (SchedulerAssignmentImpl) cluster.getAssignmentById(topology2.getId());
    // pick a worker to mock as failed
    WorkerSlot failedWorker = new ArrayList<WorkerSlot>(assignment.getSlots()).get(0);
    Map<ExecutorDetails, WorkerSlot> executorToSlot = assignment.getExecutorToSlot();
    List<ExecutorDetails> failedExecutors = new ArrayList<>();
    for (Map.Entry<ExecutorDetails, WorkerSlot> entry : executorToSlot.entrySet()) {
        if (entry.getValue().equals(failedWorker)) {
            failedExecutors.add(entry.getKey());
        }
    }
    for (ExecutorDetails executor : failedExecutors) {
        // remove executor details assigned to the failed worker
        executorToSlot.remove(executor);
    }
    Map<ExecutorDetails, WorkerSlot> copyOfOldMapping = new HashMap<>(executorToSlot);
    Set<ExecutorDetails> healthyExecutors = copyOfOldMapping.keySet();
    rs.schedule(topologies, cluster);
    SchedulerAssignment newAssignment = cluster.getAssignmentById(topology2.getId());
    Map<ExecutorDetails, WorkerSlot> newExecutorToSlot = newAssignment.getExecutorToSlot();
    for (ExecutorDetails executor : healthyExecutors) {
        Assert.assertEquals(copyOfOldMapping.get(executor), newExecutorToSlot.get(executor));
    }
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster.getStatusMap().get(topology2.getId()));
    // end of Test1
    // Test2: When a supervisor fails, RAS does not alter existing assignments
    executorToSlot = new HashMap<>();
    executorToSlot.put(new ExecutorDetails(0, 0), new WorkerSlot("sup-0", 0));
    executorToSlot.put(new ExecutorDetails(1, 1), new WorkerSlot("sup-0", 1));
    executorToSlot.put(new ExecutorDetails(2, 2), new WorkerSlot("sup-1", 1));
    Map<String, SchedulerAssignmentImpl> existingAssignments = new HashMap<>();
    assignment = new SchedulerAssignmentImpl(topology1.getId(), executorToSlot);
    existingAssignments.put(topology1.getId(), assignment);
    copyOfOldMapping = new HashMap<>(executorToSlot);
    Set<ExecutorDetails> existingExecutors = copyOfOldMapping.keySet();
    Map<String, SupervisorDetails> supMap1 = new HashMap<>(supMap);
    // mock the supervisor sup-0 as a failed supervisor
    supMap1.remove("sup-0");
    Cluster cluster1 = new Cluster(iNimbus, supMap1, existingAssignments, config1);
    topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster1);
    newAssignment = cluster1.getAssignmentById(topology1.getId());
    newExecutorToSlot = newAssignment.getExecutorToSlot();
    for (ExecutorDetails executor : existingExecutors) {
        Assert.assertEquals(copyOfOldMapping.get(executor), newExecutorToSlot.get(executor));
    }
    Assert.assertEquals("Fully Scheduled", cluster1.getStatusMap().get(topology1.getId()));
    // end of Test2
    // Test3: When a supervisor and a worker on it fails, RAS does not alter existing assignments
    executorToSlot = new HashMap<>();
    // the worker to orphan
    executorToSlot.put(new ExecutorDetails(0, 0), new WorkerSlot("sup-0", 1));
    // the worker that fails
    executorToSlot.put(new ExecutorDetails(1, 1), new WorkerSlot("sup-0", 2));
    // the healthy worker
    executorToSlot.put(new ExecutorDetails(2, 2), new WorkerSlot("sup-1", 1));
    existingAssignments = new HashMap<>();
    assignment = new SchedulerAssignmentImpl(topology1.getId(), executorToSlot);
    existingAssignments.put(topology1.getId(), assignment);
    // delete one worker of sup-0 (failed) from topo1 assignment to enable actual schedule for testing
    executorToSlot.remove(new ExecutorDetails(1, 1));
    copyOfOldMapping = new HashMap<>(executorToSlot);
    // namely the two eds on the orphaned worker and the healthy worker
    existingExecutors = copyOfOldMapping.keySet();
    supMap1 = new HashMap<>(supMap);
    // mock the supervisor sup-0 as a failed supervisor
    supMap1.remove("sup-0");
    cluster1 = new Cluster(iNimbus, supMap1, existingAssignments, config1);
    topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster1);
    newAssignment = cluster1.getAssignmentById(topology1.getId());
    newExecutorToSlot = newAssignment.getExecutorToSlot();
    for (ExecutorDetails executor : existingExecutors) {
        Assert.assertEquals(copyOfOldMapping.get(executor), newExecutorToSlot.get(executor));
    }
    Assert.assertEquals("Fully Scheduled", cluster1.getStatusMap().get(topology1.getId()));
    // end of Test3
    // Test4: Scheduling a new topology does not disturb other assignments unnecessarily
    cluster1 = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config1);
    topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster1);
    assignment = (SchedulerAssignmentImpl) cluster1.getAssignmentById(topology1.getId());
    executorToSlot = assignment.getExecutorToSlot();
    copyOfOldMapping = new HashMap<>(executorToSlot);
    topoMap.put(topology2.getId(), topology2);
    topologies = new Topologies(topoMap);
    rs.schedule(topologies, cluster1);
    newAssignment = (SchedulerAssignmentImpl) cluster1.getAssignmentById(topology1.getId());
    newExecutorToSlot = newAssignment.getExecutorToSlot();
    for (ExecutorDetails executor : copyOfOldMapping.keySet()) {
        Assert.assertEquals(copyOfOldMapping.get(executor), newExecutorToSlot.get(executor));
    }
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster1.getStatusMap().get(topology1.getId()));
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster1.getStatusMap().get(topology2.getId()));
}

Example 13 with TestWordSpout

use of org.apache.storm.testing.TestWordSpout in project storm by apache.

the class TestResourceAwareScheduler method testHeterogeneousCluster.

@Test
public void testHeterogeneousCluster() {
    INimbus iNimbus = new TestUtilsForResourceAwareScheduler.INimbusTest();
    // strong supervisor node
    Map<String, Number> resourceMap1 = new HashMap<>();
    resourceMap1.put(Config.SUPERVISOR_CPU_CAPACITY, 800.0);
    resourceMap1.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 4096.0);
    // weak supervisor node
    Map<String, Number> resourceMap2 = new HashMap<>();
    resourceMap2.put(Config.SUPERVISOR_CPU_CAPACITY, 200.0);
    resourceMap2.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 1024.0);
    Map<String, SupervisorDetails> supMap = new HashMap<String, SupervisorDetails>();
    for (int i = 0; i < 2; i++) {
        List<Number> ports = new LinkedList<Number>();
        for (int j = 0; j < 4; j++) {
            ports.add(j);
        }
        SupervisorDetails sup = new SupervisorDetails("sup-" + i, "host-" + i, null, ports, (Map) (i == 0 ? resourceMap1 : resourceMap2));
        supMap.put(sup.getId(), sup);
    }
    // topo1 has one single huge task that can not be handled by the small-super
    TopologyBuilder builder1 = new TopologyBuilder();
    builder1.setSpout("wordSpout1", new TestWordSpout(), 1).setCPULoad(300.0).setMemoryLoad(2000.0, 48.0);
    StormTopology stormTopology1 = builder1.createTopology();
    Config config1 = new Config();
    config1.putAll(defaultTopologyConf);
    Map<ExecutorDetails, String> executorMap1 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology1);
    TopologyDetails topology1 = new TopologyDetails("topology1", config1, stormTopology1, 1, executorMap1, 0);
    // topo2 has 4 large tasks
    TopologyBuilder builder2 = new TopologyBuilder();
    builder2.setSpout("wordSpout2", new TestWordSpout(), 4).setCPULoad(100.0).setMemoryLoad(500.0, 12.0);
    StormTopology stormTopology2 = builder2.createTopology();
    Config config2 = new Config();
    config2.putAll(defaultTopologyConf);
    Map<ExecutorDetails, String> executorMap2 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology2);
    TopologyDetails topology2 = new TopologyDetails("topology2", config2, stormTopology2, 1, executorMap2, 0);
    // topo3 has 4 large tasks
    TopologyBuilder builder3 = new TopologyBuilder();
    builder3.setSpout("wordSpout3", new TestWordSpout(), 4).setCPULoad(20.0).setMemoryLoad(200.0, 56.0);
    StormTopology stormTopology3 = builder3.createTopology();
    Config config3 = new Config();
    config3.putAll(defaultTopologyConf);
    Map<ExecutorDetails, String> executorMap3 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology3);
    TopologyDetails topology3 = new TopologyDetails("topology3", config2, stormTopology3, 1, executorMap3, 0);
    // topo4 has 12 small tasks, whose mem usage does not exactly divide a node's mem capacity
    TopologyBuilder builder4 = new TopologyBuilder();
    builder4.setSpout("wordSpout4", new TestWordSpout(), 12).setCPULoad(30.0).setMemoryLoad(100.0, 0.0);
    StormTopology stormTopology4 = builder4.createTopology();
    Config config4 = new Config();
    config4.putAll(defaultTopologyConf);
    Map<ExecutorDetails, String> executorMap4 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology4);
    TopologyDetails topology4 = new TopologyDetails("topology4", config4, stormTopology4, 1, executorMap4, 0);
    // topo5 has 40 small tasks, it should be able to exactly use up both the cpu and mem in the cluster
    TopologyBuilder builder5 = new TopologyBuilder();
    builder5.setSpout("wordSpout5", new TestWordSpout(), 40).setCPULoad(25.0).setMemoryLoad(100.0, 28.0);
    StormTopology stormTopology5 = builder5.createTopology();
    Config config5 = new Config();
    config5.putAll(defaultTopologyConf);
    Map<ExecutorDetails, String> executorMap5 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology5);
    TopologyDetails topology5 = new TopologyDetails("topology5", config5, stormTopology5, 1, executorMap5, 0);
    // Test1: Launch topo 1-3 together, it should be able to use up either mem or cpu resource due to exact division
    Cluster cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config1);
    ResourceAwareScheduler rs = new ResourceAwareScheduler();
    Map<String, TopologyDetails> topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    topoMap.put(topology2.getId(), topology2);
    topoMap.put(topology3.getId(), topology3);
    Topologies topologies = new Topologies(topoMap);
    rs.prepare(config1);
    rs.schedule(topologies, cluster);
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster.getStatusMap().get(topology1.getId()));
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster.getStatusMap().get(topology2.getId()));
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster.getStatusMap().get(topology3.getId()));
    Map<SupervisorDetails, Double> superToCpu = TestUtilsForResourceAwareScheduler.getSupervisorToCpuUsage(cluster, topologies);
    Map<SupervisorDetails, Double> superToMem = TestUtilsForResourceAwareScheduler.getSupervisorToMemoryUsage(cluster, topologies);
    final Double EPSILON = 0.0001;
    for (SupervisorDetails supervisor : supMap.values()) {
        Double cpuAvailable = supervisor.getTotalCPU();
        Double memAvailable = supervisor.getTotalMemory();
        Double cpuUsed = superToCpu.get(supervisor);
        Double memUsed = superToMem.get(supervisor);
        Assert.assertTrue((Math.abs(memAvailable - memUsed) < EPSILON) || (Math.abs(cpuAvailable - cpuUsed) < EPSILON));
    }
    // end of Test1
    // Test2: Launch topo 1, 2 and 4, they together request a little more mem than available, so one of the 3 topos will not be scheduled
    cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config1);
    topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    topoMap.put(topology2.getId(), topology2);
    topoMap.put(topology4.getId(), topology4);
    topologies = new Topologies(topoMap);
    rs.prepare(config1);
    rs.schedule(topologies, cluster);
    int numTopologiesAssigned = 0;
    if (cluster.getStatusMap().get(topology1.getId()).equals("Running - Fully Scheduled by DefaultResourceAwareStrategy")) {
        numTopologiesAssigned++;
    }
    if (cluster.getStatusMap().get(topology2.getId()).equals("Running - Fully Scheduled by DefaultResourceAwareStrategy")) {
        numTopologiesAssigned++;
    }
    if (cluster.getStatusMap().get(topology4.getId()).equals("Running - Fully Scheduled by DefaultResourceAwareStrategy")) {
        numTopologiesAssigned++;
    }
    Assert.assertEquals(2, numTopologiesAssigned);
    //end of Test2
    //Test3: "Launch topo5 only, both mem and cpu should be exactly used up"
    cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config1);
    topoMap = new HashMap<>();
    topoMap.put(topology5.getId(), topology5);
    topologies = new Topologies(topoMap);
    rs.prepare(config1);
    rs.schedule(topologies, cluster);
    superToCpu = TestUtilsForResourceAwareScheduler.getSupervisorToCpuUsage(cluster, topologies);
    superToMem = TestUtilsForResourceAwareScheduler.getSupervisorToMemoryUsage(cluster, topologies);
    for (SupervisorDetails supervisor : supMap.values()) {
        Double cpuAvailable = supervisor.getTotalCPU();
        Double memAvailable = supervisor.getTotalMemory();
        Double cpuUsed = superToCpu.get(supervisor);
        Double memUsed = superToMem.get(supervisor);
        Assert.assertEquals(cpuAvailable, cpuUsed, 0.0001);
        Assert.assertEquals(memAvailable, memUsed, 0.0001);
    }
//end of Test3
}

Example 14 with TestWordSpout

use of org.apache.storm.testing.TestWordSpout in project storm by apache.

the class TestResourceAwareScheduler method testTopologySetCpuAndMemLoad.

@Test
public void testTopologySetCpuAndMemLoad() {
    INimbus iNimbus = new TestUtilsForResourceAwareScheduler.INimbusTest();
    Map<String, Number> resourceMap = new HashMap<>();
    resourceMap.put(Config.SUPERVISOR_CPU_CAPACITY, 400.0);
    resourceMap.put(Config.SUPERVISOR_MEMORY_CAPACITY_MB, 2000.0);
    Map<String, SupervisorDetails> supMap = TestUtilsForResourceAwareScheduler.genSupervisors(2, 2, resourceMap);
    // a topology with multiple spouts
    TopologyBuilder builder1 = new TopologyBuilder();
    builder1.setSpout("wordSpout", new TestWordSpout(), 1).setCPULoad(20.0).setMemoryLoad(200.0);
    builder1.setBolt("wordCountBolt", new TestWordCounter(), 1).shuffleGrouping("wordSpout").setCPULoad(20.0).setMemoryLoad(200.0);
    StormTopology stormTopology1 = builder1.createTopology();
    Config config = new Config();
    config.putAll(defaultTopologyConf);
    Map<ExecutorDetails, String> executorMap1 = TestUtilsForResourceAwareScheduler.genExecsAndComps(stormTopology1);
    TopologyDetails topology1 = new TopologyDetails("topology1", config, stormTopology1, 0, executorMap1, 0);
    Cluster cluster = new Cluster(iNimbus, supMap, new HashMap<String, SchedulerAssignmentImpl>(), config);
    ResourceAwareScheduler rs = new ResourceAwareScheduler();
    Map<String, TopologyDetails> topoMap = new HashMap<>();
    topoMap.put(topology1.getId(), topology1);
    Topologies topologies = new Topologies(topoMap);
    rs.prepare(config);
    rs.schedule(topologies, cluster);
    SchedulerAssignment assignment1 = cluster.getAssignmentById(topology1.getId());
    Set<WorkerSlot> assignedSlots1 = assignment1.getSlots();
    double assignedMemory = 0.0;
    double assignedCpu = 0.0;
    Set<String> nodesIDs1 = new HashSet<>();
    for (WorkerSlot slot : assignedSlots1) {
        nodesIDs1.add(slot.getNodeId());
        assignedMemory += slot.getAllocatedMemOnHeap() + slot.getAllocatedMemOffHeap();
        assignedCpu += slot.getAllocatedCpu();
    }
    Collection<ExecutorDetails> executors1 = assignment1.getExecutors();
    Assert.assertEquals(1, assignedSlots1.size());
    Assert.assertEquals(1, nodesIDs1.size());
    Assert.assertEquals(2, executors1.size());
    Assert.assertEquals(400.0, assignedMemory, 0.001);
    Assert.assertEquals(40.0, assignedCpu, 0.001);
    Assert.assertEquals("Running - Fully Scheduled by DefaultResourceAwareStrategy", cluster.getStatusMap().get(topology1.getId()));
}

Example 15 with TestWordSpout

use of org.apache.storm.testing.TestWordSpout in project storm by apache.

the class LocalNimbusTest method createTestTopology.

public static StormTopology createTestTopology() {
    TopologyBuilder builder = new TopologyBuilder();
    builder.setSpout("words", new TestWordSpout(), generateParallelismHint());
    builder.setBolt("count", new TestWordCounter(), generateParallelismHint()).shuffleGrouping("words");
    builder.setBolt("globalCount", new TestGlobalCount(), generateParallelismHint()).shuffleGrouping("count");
    return builder.createTopology();
}