Examples with Symptom com.microsoft.dhalion.detector.Symptom used on opensource projects

Example 1 with Symptom

use of com.microsoft.dhalion.detector.Symptom in project incubator-heron by apache.

the class BackPressureDetectorTest method testConfigAndFilter.

@Test
public void testConfigAndFilter() {
    HealthPolicyConfig config = mock(HealthPolicyConfig.class);
    when(config.getConfig(CONF_NOISE_FILTER, 20)).thenReturn(50);
    ComponentMetrics compMetrics = new ComponentMetrics("bolt", "i1", METRIC_BACK_PRESSURE.text(), 55);
    Map<String, ComponentMetrics> topologyMetrics = new HashMap<>();
    topologyMetrics.put("bolt", compMetrics);
    BackPressureSensor sensor = mock(BackPressureSensor.class);
    when(sensor.get()).thenReturn(topologyMetrics);
    BackPressureDetector detector = new BackPressureDetector(sensor, config);
    List<Symptom> symptoms = detector.detect();
    Assert.assertEquals(1, symptoms.size());
    compMetrics = new ComponentMetrics("bolt", "i1", METRIC_BACK_PRESSURE.text(), 45);
    topologyMetrics.put("bolt", compMetrics);
    sensor = mock(BackPressureSensor.class);
    when(sensor.get()).thenReturn(topologyMetrics);
    detector = new BackPressureDetector(sensor, config);
    symptoms = detector.detect();
    Assert.assertEquals(0, symptoms.size());
}

Example 2 with Symptom

use of com.microsoft.dhalion.detector.Symptom in project incubator-heron by apache.

the class SlowInstanceDiagnoserTest method failIfInstanceWithBpHasSmallBuffer.

@Test
public void failIfInstanceWithBpHasSmallBuffer() {
    List<Symptom> symptoms = TestUtils.createBpSymptomList(123, 0, 0);
    symptoms.add(TestUtils.createWaitQueueDisparitySymptom(100, 500, 500));
    Diagnosis result = new SlowInstanceDiagnoser().diagnose(symptoms);
    assertNull(result);
}

Example 3 with Symptom

use of com.microsoft.dhalion.detector.Symptom in project incubator-heron by apache.

the class SlowInstanceDiagnoserTest method diagnosis1of3SlowInstances.

@Test
public void diagnosis1of3SlowInstances() {
    List<Symptom> symptoms = TestUtils.createBpSymptomList(123, 0, 0);
    symptoms.add(TestUtils.createWaitQueueDisparitySymptom(1000, 20, 20));
    Diagnosis result = new SlowInstanceDiagnoser().diagnose(symptoms);
    assertEquals(1, result.getSymptoms().size());
    ComponentMetrics data = result.getSymptoms().values().iterator().next().getComponent();
    assertEquals(123, data.getMetricValueSum("container_1_bolt_0", METRIC_BACK_PRESSURE.text()).intValue());
}

Example 4 with Symptom

use of com.microsoft.dhalion.detector.Symptom in project incubator-heron by apache.

the class ScaleUpResolverTest method testResolve.

@Test
public void testResolve() {
    TopologyAPI.Topology topology = createTestTopology();
    Config config = createConfig(topology);
    PackingPlan currentPlan = createPacking(topology, config);
    PackingPlanProvider packingPlanProvider = mock(PackingPlanProvider.class);
    when(packingPlanProvider.get()).thenReturn(currentPlan);
    ISchedulerClient scheduler = mock(ISchedulerClient.class);
    when(scheduler.updateTopology(any(UpdateTopologyRequest.class))).thenReturn(true);
    ComponentMetrics metrics = new ComponentMetrics("bolt", "i1", METRIC_BACK_PRESSURE.text(), 123);
    Symptom symptom = new Symptom(SYMPTOM_UNDER_PROVISIONING.text(), metrics);
    List<Diagnosis> diagnosis = new ArrayList<>();
    diagnosis.add(new Diagnosis("test", symptom));
    ScaleUpResolver resolver = new ScaleUpResolver(null, packingPlanProvider, scheduler, eventManager, null);
    ScaleUpResolver spyResolver = spy(resolver);
    doReturn(2).when(spyResolver).computeScaleUpFactor(metrics);
    doReturn(currentPlan).when(spyResolver).buildNewPackingPlan(any(HashMap.class), eq(currentPlan));
    List<Action> result = spyResolver.resolve(diagnosis);
    verify(scheduler, times(1)).updateTopology(any(UpdateTopologyRequest.class));
    assertEquals(1, result.size());
}

Example 5 with Symptom

use of com.microsoft.dhalion.detector.Symptom in project incubator-heron by apache.

the class GrowingWaitQueueDetectorTest method testDetector.

@Test
public void testDetector() {
    HealthPolicyConfig config = mock(HealthPolicyConfig.class);
    when(config.getConfig(CONF_LIMIT, 10.0)).thenReturn(5.0);
    ComponentMetrics compMetrics;
    InstanceMetrics instanceMetrics;
    Map<Instant, Double> bufferSizes;
    Map<String, ComponentMetrics> topologyMetrics = new HashMap<>();
    instanceMetrics = new InstanceMetrics("i1");
    bufferSizes = new HashMap<>();
    bufferSizes.put(Instant.ofEpochSecond(1497892222), 0.0);
    bufferSizes.put(Instant.ofEpochSecond(1497892270), 300.0);
    bufferSizes.put(Instant.ofEpochSecond(1497892330), 700.0);
    bufferSizes.put(Instant.ofEpochSecond(1497892390), 1000.0);
    bufferSizes.put(Instant.ofEpochSecond(1497892450), 1300.0);
    instanceMetrics.addMetric(METRIC_BUFFER_SIZE.text(), bufferSizes);
    compMetrics = new ComponentMetrics("bolt");
    compMetrics.addInstanceMetric(instanceMetrics);
    topologyMetrics.put("bolt", compMetrics);
    BufferSizeSensor sensor = mock(BufferSizeSensor.class);
    when(sensor.get()).thenReturn(topologyMetrics);
    GrowingWaitQueueDetector detector = new GrowingWaitQueueDetector(sensor, config);
    List<Symptom> symptoms = detector.detect();
    assertEquals(1, symptoms.size());
    instanceMetrics = new InstanceMetrics("i1");
    bufferSizes = new HashMap<>();
    bufferSizes.put(Instant.ofEpochSecond(1497892222), 0.0);
    bufferSizes.put(Instant.ofEpochSecond(1497892270), 200.0);
    bufferSizes.put(Instant.ofEpochSecond(1497892330), 400.0);
    bufferSizes.put(Instant.ofEpochSecond(1497892390), 600.0);
    bufferSizes.put(Instant.ofEpochSecond(1497892450), 800.0);
    instanceMetrics.addMetric(METRIC_BUFFER_SIZE.text(), bufferSizes);
    compMetrics = new ComponentMetrics("bolt");
    compMetrics.addInstanceMetric(instanceMetrics);
    topologyMetrics.put("bolt", compMetrics);
    sensor = mock(BufferSizeSensor.class);
    when(sensor.get()).thenReturn(topologyMetrics);
    detector = new GrowingWaitQueueDetector(sensor, config);
    symptoms = detector.detect();
    assertEquals(0, symptoms.size());
}