Examples with D2QuarantineProperties com.linkedin.d2.D2QuarantineProperties used on opensource projects

Example 1 with D2QuarantineProperties

use of com.linkedin.d2.D2QuarantineProperties in project rest.li by linkedin.

the class TestLoadBalancerStrategy method testFastRecovery.

@Test(dataProvider = "strategy")
public void testFastRecovery(loadBalancerStrategyType type) {
    Map<String, Object> strategyPropertiesWithQuarantineEnabled = new HashMap<>();
    D2RelativeStrategyProperties relativePropertiesWithQuarantineEnabled = new D2RelativeStrategyProperties();
    strategyPropertiesWithQuarantineEnabled.put(PropertyKeys.HTTP_LB_QUARANTINE_MAX_PERCENT, String.valueOf(DEFAULT_QUARANTINE_PERCENTAGE));
    strategyPropertiesWithQuarantineEnabled.put(PropertyKeys.HTTP_LB_RING_RAMP_FACTOR, "2.0");
    relativePropertiesWithQuarantineEnabled.setQuarantineProperties(new D2QuarantineProperties().setQuarantineMaxPercent(DEFAULT_QUARANTINE_PERCENTAGE));
    relativePropertiesWithQuarantineEnabled.setEnableFastRecovery(true);
    LoadBalancerStrategyTestRunnerBuilder builder = new LoadBalancerStrategyTestRunnerBuilder(type, DEFAULT_SERVICE_NAME, 5).setConstantRequestCount(100).setNumIntervals(30).setDegraderStrategies(strategyPropertiesWithQuarantineEnabled, new HashMap<>()).setDynamicLatency(Arrays.asList(HOST_RECOVERING_TO_HEALTHY_LATENCY, HEALTHY_HOST_LATENCY_CORRELATION, HEALTHY_HOST_LATENCY_CORRELATION, HEALTHY_HOST_LATENCY_CORRELATION, HEALTHY_HOST_LATENCY_CORRELATION));
    LoadBalancerStrategyTestRunner testRunner = type == loadBalancerStrategyType.DEGRADER ? builder.setDegraderStrategies(strategyPropertiesWithQuarantineEnabled, new HashMap<>()).build() : builder.setRelativeLoadBalancerStrategies(relativePropertiesWithQuarantineEnabled).build();
    testRunner.runWait();
    List<Integer> pointHistory = testRunner.getPointHistory().get(testRunner.getUri(0));
    assertTrue(hasPointsInHistory(pointHistory, Arrays.asList(2)), "Fast recovery should recover the points from 1 to 2 initially");
}

Example 2 with D2QuarantineProperties

use of com.linkedin.d2.D2QuarantineProperties in project rest.li by linkedin.

the class TestLoadBalancerStrategy method testQuarantineHittingMaxPercentage.

@Test(dataProvider = "strategy")
public void testQuarantineHittingMaxPercentage(loadBalancerStrategyType type) {
    Map<String, Object> strategyPropertiesWithQuarantineEnabled = new HashMap<>();
    D2RelativeStrategyProperties relativePropertiesWithQuarantineEnabled = new D2RelativeStrategyProperties();
    // Only 1/5 of the hosts can be quarantined
    double quarantinePercentage = 0.2;
    strategyPropertiesWithQuarantineEnabled.put(PropertyKeys.HTTP_LB_QUARANTINE_MAX_PERCENT, String.valueOf(quarantinePercentage));
    D2QuarantineProperties quarantineProperties = new D2QuarantineProperties().setQuarantineMaxPercent(quarantinePercentage);
    relativePropertiesWithQuarantineEnabled.setQuarantineProperties(quarantineProperties);
    LoadBalancerStrategyTestRunnerBuilder builder = new LoadBalancerStrategyTestRunnerBuilder(type, DEFAULT_SERVICE_NAME, 5).setConstantRequestCount(1000).setNumIntervals(10).setConstantLatency(Arrays.asList(UNHEALTHY_HOST_CONSTANT_LATENCY, UNHEALTHY_HOST_CONSTANT_LATENCY, HEALTHY_HOST_CONSTANT_LATENCY, HEALTHY_HOST_CONSTANT_LATENCY, HEALTHY_HOST_CONSTANT_LATENCY));
    LoadBalancerStrategyTestRunner testRunner = type == loadBalancerStrategyType.DEGRADER ? builder.setDegraderStrategies(strategyPropertiesWithQuarantineEnabled, new HashMap<>()).build() : builder.setRelativeLoadBalancerStrategies(relativePropertiesWithQuarantineEnabled).build();
    testRunner.runWait();
    Map<URI, Integer> pointsMap = testRunner.getPoints();
    Assert.assertTrue(pointsMap.values().contains(QUARANTINED_POINTS));
    Assert.assertTrue(pointsMap.values().contains(INITIAL_RECOVERY_POINTS), "There should be host that is not quarantined but fully dropped");
}

Example 3 with D2QuarantineProperties

use of com.linkedin.d2.D2QuarantineProperties in project rest.li by linkedin.

the class RelativeStrategyPropertiesConverterTest method testRelativeStrategyPropertiesConverter.

@Test
public void testRelativeStrategyPropertiesConverter() {
    double upStep = 0.2;
    double downStep = 0.1;
    double relativeLatencyHighThresholdFactor = 1.5;
    double relativeLatencyLowThresholdFactor = 1.2;
    double highErrorRate = 0.2;
    double lowErrorRate = 0.1;
    int minCallCount = 1000;
    long updateIntervalMs = 5000;
    double initialHealthScore = 0.0;
    double slowStartThreshold = 0.32;
    HttpStatusCodeRangeArray errorStatusRange = new HttpStatusCodeRangeArray(new HttpStatusCodeRange().setLowerBound(500).setUpperBound(599));
    int emittingIntervalMs = 5000;
    double quarantineMaxPercent = 0.1;
    HttpMethod quarantineMethod = HttpMethod.OPTIONS;
    String healthCheckPath = "";
    int pointsPerWeight = 100;
    HashMethod hashMethod = HashMethod.URI_REGEX;
    StringArray regexes = new StringArray("+231{w+)");
    boolean failOnNoMatch = false;
    boolean warnOnNoMatch = true;
    double hashringPointCleanupRate = 0.2;
    ConsistentHashAlgorithm consistentHashAlgorithm = ConsistentHashAlgorithm.POINT_BASED;
    int numberOfProbes = 1024;
    int numberOfPointsPerHost = 1;
    double boundedLoadBalancingFactor = 1.5;
    D2QuarantineProperties quarantineProperties = new D2QuarantineProperties().setQuarantineMaxPercent(quarantineMaxPercent).setHealthCheckMethod(quarantineMethod).setHealthCheckPath(healthCheckPath);
    HashConfig hashConfig = new HashConfig().setFailOnNoMatch(failOnNoMatch).setUriRegexes(regexes).setWarnOnNoMatch(warnOnNoMatch);
    D2RingProperties ringProperties = new D2RingProperties().setHashRingPointCleanupRate(hashringPointCleanupRate).setBoundedLoadBalancingFactor(boundedLoadBalancingFactor).setConsistentHashAlgorithm(consistentHashAlgorithm).setHashConfig(hashConfig).setHashMethod(hashMethod).setPointsPerWeight(pointsPerWeight).setNumberOfProbes(numberOfProbes).setNumberOfPointsPerHost(numberOfPointsPerHost);
    D2RelativeStrategyProperties properties = new D2RelativeStrategyProperties().setQuarantineProperties(quarantineProperties).setRingProperties(ringProperties).setUpStep(upStep).setDownStep(downStep).setRelativeLatencyHighThresholdFactor(relativeLatencyHighThresholdFactor).setRelativeLatencyLowThresholdFactor(relativeLatencyLowThresholdFactor).setHighErrorRate(highErrorRate).setLowErrorRate(lowErrorRate).setMinCallCount(minCallCount).setUpdateIntervalMs(updateIntervalMs).setInitialHealthScore(initialHealthScore).setSlowStartThreshold(slowStartThreshold).setErrorStatusFilter(errorStatusRange).setEmittingIntervalMs(emittingIntervalMs);
    Map<String, Object> propertyMap = new HashMap<>();
    Map<String, Object> ringPropertyMap = new HashMap<>();
    Map<String, Object> quarantinePropertyMap = new HashMap<>();
    Map<String, Object> hashConfigMap = new HashMap<>();
    Map<String, String> errorStatusRangeMap = new HashMap<>();
    quarantinePropertyMap.put(PropertyKeys.QUARANTINE_MAX_PERCENT, String.valueOf(quarantineMaxPercent));
    quarantinePropertyMap.put(PropertyKeys.QUARANTINE_HEALTH_CHECK_METHOD, quarantineMethod.toString());
    quarantinePropertyMap.put(PropertyKeys.QUARANTINE_HEALTH_CHECK_PATH, healthCheckPath);
    hashConfigMap.put(URIRegexHash.KEY_REGEXES, new ArrayList<>(regexes));
    hashConfigMap.put(URIRegexHash.KEY_WARN_ON_NO_MATCH, String.valueOf(warnOnNoMatch));
    hashConfigMap.put(URIRegexHash.KEY_FAIL_ON_NO_MATCH, String.valueOf(failOnNoMatch));
    ringPropertyMap.put(PropertyKeys.RING_HASH_RING_POINT_CLEANUP_RATE, String.valueOf(hashringPointCleanupRate));
    ringPropertyMap.put(PropertyKeys.RING_BOUNDED_LOAD_BALANCING_FACTOR, String.valueOf(boundedLoadBalancingFactor));
    ringPropertyMap.put(PropertyKeys.RING_CONSISTENT_HASH_ALGORITHM, DelegatingRingFactory.POINT_BASED_CONSISTENT_HASH);
    ringPropertyMap.put(PropertyKeys.RING_HASH_CONFIG, hashConfigMap);
    ringPropertyMap.put(PropertyKeys.RING_HASH_METHOD, RelativeLoadBalancerStrategy.HASH_METHOD_URI_REGEX);
    ringPropertyMap.put(PropertyKeys.RING_POINTS_PER_WEIGHT, String.valueOf(pointsPerWeight));
    ringPropertyMap.put(PropertyKeys.RING_NUMBER_OF_PROBES, String.valueOf(numberOfProbes));
    ringPropertyMap.put(PropertyKeys.RING_NUMBER_OF_POINTS_PER_HOST, String.valueOf(numberOfPointsPerHost));
    errorStatusRangeMap.put(PropertyKeys.ERROR_STATUS_UPPER_BOUND, String.valueOf(errorStatusRange.get(0).getUpperBound()));
    errorStatusRangeMap.put(PropertyKeys.ERROR_STATUS_LOWER_BOUND, String.valueOf(errorStatusRange.get(0).getLowerBound()));
    propertyMap.put(PropertyKeys.QUARANTINE_PROPERTIES, quarantinePropertyMap);
    propertyMap.put(PropertyKeys.RING_PROPERTIES, ringPropertyMap);
    propertyMap.put(PropertyKeys.UP_STEP, String.valueOf(upStep));
    propertyMap.put(PropertyKeys.DOWN_STEP, String.valueOf(downStep));
    propertyMap.put(PropertyKeys.RELATIVE_LATENCY_HIGH_THRESHOLD_FACTOR, String.valueOf(relativeLatencyHighThresholdFactor));
    propertyMap.put(PropertyKeys.RELATIVE_LATENCY_LOW_THRESHOLD_FACTOR, String.valueOf(relativeLatencyLowThresholdFactor));
    propertyMap.put(PropertyKeys.HIGH_ERROR_RATE, String.valueOf(highErrorRate));
    propertyMap.put(PropertyKeys.LOW_ERROR_RATE, String.valueOf(lowErrorRate));
    propertyMap.put(PropertyKeys.MIN_CALL_COUNT, String.valueOf(minCallCount));
    propertyMap.put(PropertyKeys.UPDATE_INTERVAL_MS, String.valueOf(updateIntervalMs));
    propertyMap.put(PropertyKeys.INITIAL_HEALTH_SCORE, String.valueOf(initialHealthScore));
    propertyMap.put(PropertyKeys.SLOW_START_THRESHOLD, String.valueOf(slowStartThreshold));
    propertyMap.put(PropertyKeys.ERROR_STATUS_FILTER, Arrays.asList(errorStatusRangeMap));
    propertyMap.put(PropertyKeys.EMITTING_INTERVAL_MS, String.valueOf(emittingIntervalMs));
    Assert.assertEquals(RelativeStrategyPropertiesConverter.toMap(properties), propertyMap);
    Assert.assertEquals(RelativeStrategyPropertiesConverter.toProperties(propertyMap), properties);
}

Example 4 with D2QuarantineProperties

use of com.linkedin.d2.D2QuarantineProperties in project rest.li by linkedin.

the class ServicePropertiesSerializerTest method createRelativeStrategyProperties.

private D2RelativeStrategyProperties createRelativeStrategyProperties() {
    double upStep = 0.2;
    double downStep = 0.1;
    double relativeLatencyHighThresholdFactor = 1.5;
    double relativeLatencyLowThresholdFactor = 1.2;
    double highErrorRate = 0.2;
    double lowErrorRate = 0.1;
    int minCallCount = 1000;
    long updateIntervalMs = 5000;
    double initialHealthScore = 0.0;
    double slowStartThreshold = 0.32;
    HttpStatusCodeRangeArray errorStatusRange = new HttpStatusCodeRangeArray(new HttpStatusCodeRange().setLowerBound(500).setUpperBound(599));
    double quarantineMaxPercent = 0.1;
    HttpMethod quarantineMethod = HttpMethod.OPTIONS;
    String healthCheckPath = "";
    ConsistentHashAlgorithm consistentHashAlgorithm = ConsistentHashAlgorithm.POINT_BASED;
    D2QuarantineProperties quarantineProperties = new D2QuarantineProperties().setQuarantineMaxPercent(quarantineMaxPercent).setHealthCheckMethod(quarantineMethod).setHealthCheckPath(healthCheckPath);
    D2RingProperties ringProperties = new D2RingProperties().setConsistentHashAlgorithm(consistentHashAlgorithm);
    return new D2RelativeStrategyProperties().setQuarantineProperties(quarantineProperties).setRingProperties(ringProperties).setUpStep(upStep).setDownStep(downStep).setRelativeLatencyHighThresholdFactor(relativeLatencyHighThresholdFactor).setRelativeLatencyLowThresholdFactor(relativeLatencyLowThresholdFactor).setHighErrorRate(highErrorRate).setLowErrorRate(lowErrorRate).setMinCallCount(minCallCount).setUpdateIntervalMs(updateIntervalMs).setInitialHealthScore(initialHealthScore).setSlowStartThreshold(slowStartThreshold).setErrorStatusFilter(errorStatusRange);
}

Example 5 with D2QuarantineProperties

use of com.linkedin.d2.D2QuarantineProperties in project rest.li by linkedin.

the class QuarantineManagerTest method setup.

private void setup(double quarantineMaxPercent, boolean slowStartEnabled, boolean fastRecoveryEnabled) {
    double slowStartThreshold = slowStartEnabled ? 0.5 : 0;
    D2QuarantineProperties d2QuarantineProperties = new D2QuarantineProperties().setQuarantineMaxPercent(quarantineMaxPercent).setHealthCheckMethod(HttpMethod.OPTIONS);
    _quarantineManager = new QuarantineManager(SERVICE_NAME, SERVICE_PATH, HEALTH_CHECK_OPERATIONS, d2QuarantineProperties, slowStartThreshold, fastRecoveryEnabled, _executorService, CLOCK, RelativeLoadBalancerStrategyFactory.DEFAULT_UPDATE_INTERVAL_MS, RelativeLoadBalancerStrategyFactory.DEFAULT_RELATIVE_LATENCY_LOW_THRESHOLD_FACTOR);
}