Examples with HystrixCommandProperties com.netflix.hystrix.HystrixCommandProperties used on opensource projects

Example 6 with HystrixCommandProperties

use of com.netflix.hystrix.HystrixCommandProperties in project Hystrix by Netflix.

the class HystrixServoMetricsPublisherCommandTest method testRollingLatencies.

@Test
public void testRollingLatencies() throws Exception {
    //execute 10 commands, then sleep for 2000ms to let these age out
    //execute 10 commands again, these should show up in rolling count
    HystrixCommandKey key = HystrixCommandKey.Factory.asKey("ServoCOMMAND-C");
    HystrixCircuitBreaker circuitBreaker = HystrixCircuitBreaker.Factory.getInstance(key);
    HystrixCommandProperties properties = new HystrixPropertiesCommandDefault(key, propertiesSetter);
    HystrixCommandMetrics metrics = HystrixCommandMetrics.getInstance(key, groupKey, properties);
    HystrixServoMetricsPublisherCommand servoPublisher = new HystrixServoMetricsPublisherCommand(key, groupKey, metrics, circuitBreaker, properties);
    servoPublisher.initialize();
    new SuccessCommand(key, 5).execute();
    new SuccessCommand(key, 5).execute();
    new SuccessCommand(key, 5).execute();
    new TimeoutCommand(key).execute();
    new SuccessCommand(key, 5).execute();
    new FailureCommand(key, 5).execute();
    new SuccessCommand(key, 5).execute();
    new SuccessCommand(key, 5).execute();
    new SuccessCommand(key, 5).execute();
    new SuccessCommand(key, 5).execute();
    Thread.sleep(2000);
    List<Observable<Integer>> os = new ArrayList<Observable<Integer>>();
    TestSubscriber<Integer> testSubscriber = new TestSubscriber<Integer>();
    os.add(new SuccessCommand(key, 10).observe());
    os.add(new SuccessCommand(key, 20).observe());
    os.add(new SuccessCommand(key, 10).observe());
    os.add(new TimeoutCommand(key).observe());
    os.add(new SuccessCommand(key, 15).observe());
    os.add(new FailureCommand(key, 10).observe());
    os.add(new TimeoutCommand(key).observe());
    os.add(new TimeoutCommand(key).observe());
    os.add(new TimeoutCommand(key).observe());
    os.add(new TimeoutCommand(key).observe());
    Observable.merge(os).subscribe(testSubscriber);
    testSubscriber.awaitTerminalEvent(300, TimeUnit.MILLISECONDS);
    testSubscriber.assertCompleted();
    testSubscriber.assertNoErrors();
    //1 bucket roll
    Thread.sleep(100);
    int meanExecutionLatency = servoPublisher.getExecutionLatencyMeanMonitor("meanExecutionLatency").getValue().intValue();
    int p5ExecutionLatency = servoPublisher.getExecutionLatencyPercentileMonitor("p5ExecutionLatency", 5).getValue().intValue();
    int p25ExecutionLatency = servoPublisher.getExecutionLatencyPercentileMonitor("p25ExecutionLatency", 25).getValue().intValue();
    int p50ExecutionLatency = servoPublisher.getExecutionLatencyPercentileMonitor("p50ExecutionLatency", 50).getValue().intValue();
    int p75ExecutionLatency = servoPublisher.getExecutionLatencyPercentileMonitor("p75ExecutionLatency", 75).getValue().intValue();
    int p90ExecutionLatency = servoPublisher.getExecutionLatencyPercentileMonitor("p90ExecutionLatency", 90).getValue().intValue();
    int p99ExecutionLatency = servoPublisher.getExecutionLatencyPercentileMonitor("p99ExecutionLatency", 99).getValue().intValue();
    int p995ExecutionLatency = servoPublisher.getExecutionLatencyPercentileMonitor("p995ExecutionLatency", 99.5).getValue().intValue();
    System.out.println("Execution:           Mean : " + meanExecutionLatency + ", p5 : " + p5ExecutionLatency + ", p25 : " + p25ExecutionLatency + ", p50 : " + p50ExecutionLatency + ", p75 : " + p75ExecutionLatency + ", p90 : " + p90ExecutionLatency + ", p99 : " + p99ExecutionLatency + ", p99.5 : " + p995ExecutionLatency);
    int meanTotalLatency = servoPublisher.getTotalLatencyMeanMonitor("meanTotalLatency").getValue().intValue();
    int p5TotalLatency = servoPublisher.getTotalLatencyPercentileMonitor("p5TotalLatency", 5).getValue().intValue();
    int p25TotalLatency = servoPublisher.getTotalLatencyPercentileMonitor("p25TotalLatency", 25).getValue().intValue();
    int p50TotalLatency = servoPublisher.getTotalLatencyPercentileMonitor("p50TotalLatency", 50).getValue().intValue();
    int p75TotalLatency = servoPublisher.getTotalLatencyPercentileMonitor("p75TotalLatency", 75).getValue().intValue();
    int p90TotalLatency = servoPublisher.getTotalLatencyPercentileMonitor("p90TotalLatency", 90).getValue().intValue();
    int p99TotalLatency = servoPublisher.getTotalLatencyPercentileMonitor("p99TotalLatency", 99).getValue().intValue();
    int p995TotalLatency = servoPublisher.getTotalLatencyPercentileMonitor("p995TotalLatency", 99.5).getValue().intValue();
    System.out.println("Total:           Mean : " + meanTotalLatency + ", p5 : " + p5TotalLatency + ", p25 : " + p25TotalLatency + ", p50 : " + p50TotalLatency + ", p75 : " + p75TotalLatency + ", p90 : " + p90TotalLatency + ", p99 : " + p99TotalLatency + ", p99.5 : " + p995TotalLatency);
    assertTrue(meanExecutionLatency > 10);
    assertTrue(p5ExecutionLatency <= p25ExecutionLatency);
    assertTrue(p25ExecutionLatency <= p50ExecutionLatency);
    assertTrue(p50ExecutionLatency <= p75ExecutionLatency);
    assertTrue(p75ExecutionLatency <= p90ExecutionLatency);
    assertTrue(p90ExecutionLatency <= p99ExecutionLatency);
    assertTrue(p99ExecutionLatency <= p995ExecutionLatency);
    assertTrue(meanTotalLatency > 10);
    assertTrue(p5TotalLatency <= p25TotalLatency);
    assertTrue(p25TotalLatency <= p50TotalLatency);
    assertTrue(p50TotalLatency <= p75TotalLatency);
    assertTrue(p75TotalLatency <= p90TotalLatency);
    assertTrue(p90TotalLatency <= p99TotalLatency);
    assertTrue(p99TotalLatency <= p995TotalLatency);
    assertTrue(meanExecutionLatency <= meanTotalLatency);
    assertTrue(p5ExecutionLatency <= p5TotalLatency);
    assertTrue(p25ExecutionLatency <= p25TotalLatency);
    assertTrue(p50ExecutionLatency <= p50TotalLatency);
    assertTrue(p75ExecutionLatency <= p75TotalLatency);
    assertTrue(p90ExecutionLatency <= p90TotalLatency);
    assertTrue(p99ExecutionLatency <= p99TotalLatency);
    assertTrue(p995ExecutionLatency <= p995TotalLatency);
}

Example 7 with HystrixCommandProperties

use of com.netflix.hystrix.HystrixCommandProperties in project Hystrix by Netflix.

the class HystrixPropertiesFactory method getCommandProperties.

/**
     * Get an instance of {@link HystrixCommandProperties} with the given factory {@link HystrixPropertiesStrategy} implementation for each {@link HystrixCommand} instance.
     * 
     * @param key
     *            Pass-thru to {@link HystrixPropertiesStrategy#getCommandProperties} implementation.
     * @param builder
     *            Pass-thru to {@link HystrixPropertiesStrategy#getCommandProperties} implementation.
     * @return {@link HystrixCommandProperties} instance
     */
public static HystrixCommandProperties getCommandProperties(HystrixCommandKey key, HystrixCommandProperties.Setter builder) {
    HystrixPropertiesStrategy hystrixPropertiesStrategy = HystrixPlugins.getInstance().getPropertiesStrategy();
    String cacheKey = hystrixPropertiesStrategy.getCommandPropertiesCacheKey(key, builder);
    if (cacheKey != null) {
        HystrixCommandProperties properties = commandProperties.get(cacheKey);
        if (properties != null) {
            return properties;
        } else {
            if (builder == null) {
                builder = HystrixCommandProperties.Setter();
            }
            // create new instance
            properties = hystrixPropertiesStrategy.getCommandProperties(key, builder);
            // cache and return
            HystrixCommandProperties existing = commandProperties.putIfAbsent(cacheKey, properties);
            if (existing == null) {
                return properties;
            } else {
                return existing;
            }
        }
    } else {
        // no cacheKey so we generate it with caching
        return hystrixPropertiesStrategy.getCommandProperties(key, builder);
    }
}

Example 8 with HystrixCommandProperties

use of com.netflix.hystrix.HystrixCommandProperties in project Hystrix by Netflix.

the class SerialHystrixDashboardData method writeCommandMetrics.

private static void writeCommandMetrics(final HystrixCommandMetrics commandMetrics, JsonGenerator json) throws IOException {
    HystrixCommandKey key = commandMetrics.getCommandKey();
    HystrixCircuitBreaker circuitBreaker = HystrixCircuitBreaker.Factory.getInstance(key);
    json.writeStartObject();
    json.writeStringField("type", "HystrixCommand");
    json.writeStringField("name", key.name());
    json.writeStringField("group", commandMetrics.getCommandGroup().name());
    json.writeNumberField("currentTime", System.currentTimeMillis());
    // circuit breaker
    if (circuitBreaker == null) {
        // circuit breaker is disabled and thus never open
        json.writeBooleanField("isCircuitBreakerOpen", false);
    } else {
        json.writeBooleanField("isCircuitBreakerOpen", circuitBreaker.isOpen());
    }
    HystrixCommandMetrics.HealthCounts healthCounts = commandMetrics.getHealthCounts();
    json.writeNumberField("errorPercentage", healthCounts.getErrorPercentage());
    json.writeNumberField("errorCount", healthCounts.getErrorCount());
    json.writeNumberField("requestCount", healthCounts.getTotalRequests());
    // rolling counters
    safelyWriteNumberField(json, "rollingCountBadRequests", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.BAD_REQUEST);
        }
    });
    safelyWriteNumberField(json, "rollingCountCollapsedRequests", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.COLLAPSED);
        }
    });
    safelyWriteNumberField(json, "rollingCountEmit", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.EMIT);
        }
    });
    safelyWriteNumberField(json, "rollingCountExceptionsThrown", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.EXCEPTION_THROWN);
        }
    });
    safelyWriteNumberField(json, "rollingCountFailure", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.FAILURE);
        }
    });
    safelyWriteNumberField(json, "rollingCountFallbackEmit", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_EMIT);
        }
    });
    safelyWriteNumberField(json, "rollingCountFallbackFailure", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_FAILURE);
        }
    });
    safelyWriteNumberField(json, "rollingCountFallbackMissing", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_MISSING);
        }
    });
    safelyWriteNumberField(json, "rollingCountFallbackRejection", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_REJECTION);
        }
    });
    safelyWriteNumberField(json, "rollingCountFallbackSuccess", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.FALLBACK_SUCCESS);
        }
    });
    safelyWriteNumberField(json, "rollingCountResponsesFromCache", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.RESPONSE_FROM_CACHE);
        }
    });
    safelyWriteNumberField(json, "rollingCountSemaphoreRejected", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.SEMAPHORE_REJECTED);
        }
    });
    safelyWriteNumberField(json, "rollingCountShortCircuited", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.SHORT_CIRCUITED);
        }
    });
    safelyWriteNumberField(json, "rollingCountSuccess", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.SUCCESS);
        }
    });
    safelyWriteNumberField(json, "rollingCountThreadPoolRejected", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.THREAD_POOL_REJECTED);
        }
    });
    safelyWriteNumberField(json, "rollingCountTimeout", new Func0<Long>() {

        @Override
        public Long call() {
            return commandMetrics.getRollingCount(HystrixEventType.TIMEOUT);
        }
    });
    json.writeNumberField("currentConcurrentExecutionCount", commandMetrics.getCurrentConcurrentExecutionCount());
    json.writeNumberField("rollingMaxConcurrentExecutionCount", commandMetrics.getRollingMaxConcurrentExecutions());
    // latency percentiles
    json.writeNumberField("latencyExecute_mean", commandMetrics.getExecutionTimeMean());
    json.writeObjectFieldStart("latencyExecute");
    json.writeNumberField("0", commandMetrics.getExecutionTimePercentile(0));
    json.writeNumberField("25", commandMetrics.getExecutionTimePercentile(25));
    json.writeNumberField("50", commandMetrics.getExecutionTimePercentile(50));
    json.writeNumberField("75", commandMetrics.getExecutionTimePercentile(75));
    json.writeNumberField("90", commandMetrics.getExecutionTimePercentile(90));
    json.writeNumberField("95", commandMetrics.getExecutionTimePercentile(95));
    json.writeNumberField("99", commandMetrics.getExecutionTimePercentile(99));
    json.writeNumberField("99.5", commandMetrics.getExecutionTimePercentile(99.5));
    json.writeNumberField("100", commandMetrics.getExecutionTimePercentile(100));
    json.writeEndObject();
    //
    json.writeNumberField("latencyTotal_mean", commandMetrics.getTotalTimeMean());
    json.writeObjectFieldStart("latencyTotal");
    json.writeNumberField("0", commandMetrics.getTotalTimePercentile(0));
    json.writeNumberField("25", commandMetrics.getTotalTimePercentile(25));
    json.writeNumberField("50", commandMetrics.getTotalTimePercentile(50));
    json.writeNumberField("75", commandMetrics.getTotalTimePercentile(75));
    json.writeNumberField("90", commandMetrics.getTotalTimePercentile(90));
    json.writeNumberField("95", commandMetrics.getTotalTimePercentile(95));
    json.writeNumberField("99", commandMetrics.getTotalTimePercentile(99));
    json.writeNumberField("99.5", commandMetrics.getTotalTimePercentile(99.5));
    json.writeNumberField("100", commandMetrics.getTotalTimePercentile(100));
    json.writeEndObject();
    // property values for reporting what is actually seen by the command rather than what was set somewhere
    HystrixCommandProperties commandProperties = commandMetrics.getProperties();
    json.writeNumberField("propertyValue_circuitBreakerRequestVolumeThreshold", commandProperties.circuitBreakerRequestVolumeThreshold().get());
    json.writeNumberField("propertyValue_circuitBreakerSleepWindowInMilliseconds", commandProperties.circuitBreakerSleepWindowInMilliseconds().get());
    json.writeNumberField("propertyValue_circuitBreakerErrorThresholdPercentage", commandProperties.circuitBreakerErrorThresholdPercentage().get());
    json.writeBooleanField("propertyValue_circuitBreakerForceOpen", commandProperties.circuitBreakerForceOpen().get());
    json.writeBooleanField("propertyValue_circuitBreakerForceClosed", commandProperties.circuitBreakerForceClosed().get());
    json.writeBooleanField("propertyValue_circuitBreakerEnabled", commandProperties.circuitBreakerEnabled().get());
    json.writeStringField("propertyValue_executionIsolationStrategy", commandProperties.executionIsolationStrategy().get().name());
    json.writeNumberField("propertyValue_executionIsolationThreadTimeoutInMilliseconds", commandProperties.executionTimeoutInMilliseconds().get());
    json.writeNumberField("propertyValue_executionTimeoutInMilliseconds", commandProperties.executionTimeoutInMilliseconds().get());
    json.writeBooleanField("propertyValue_executionIsolationThreadInterruptOnTimeout", commandProperties.executionIsolationThreadInterruptOnTimeout().get());
    json.writeStringField("propertyValue_executionIsolationThreadPoolKeyOverride", commandProperties.executionIsolationThreadPoolKeyOverride().get());
    json.writeNumberField("propertyValue_executionIsolationSemaphoreMaxConcurrentRequests", commandProperties.executionIsolationSemaphoreMaxConcurrentRequests().get());
    json.writeNumberField("propertyValue_fallbackIsolationSemaphoreMaxConcurrentRequests", commandProperties.fallbackIsolationSemaphoreMaxConcurrentRequests().get());
    /*
                     * The following are commented out as these rarely change and are verbose for streaming for something people don't change.
                     * We could perhaps allow a property or request argument to include these.
                     */
    //                    json.put("propertyValue_metricsRollingPercentileEnabled", commandProperties.metricsRollingPercentileEnabled().get());
    //                    json.put("propertyValue_metricsRollingPercentileBucketSize", commandProperties.metricsRollingPercentileBucketSize().get());
    //                    json.put("propertyValue_metricsRollingPercentileWindow", commandProperties.metricsRollingPercentileWindowInMilliseconds().get());
    //                    json.put("propertyValue_metricsRollingPercentileWindowBuckets", commandProperties.metricsRollingPercentileWindowBuckets().get());
    //                    json.put("propertyValue_metricsRollingStatisticalWindowBuckets", commandProperties.metricsRollingStatisticalWindowBuckets().get());
    json.writeNumberField("propertyValue_metricsRollingStatisticalWindowInMilliseconds", commandProperties.metricsRollingStatisticalWindowInMilliseconds().get());
    json.writeBooleanField("propertyValue_requestCacheEnabled", commandProperties.requestCacheEnabled().get());
    json.writeBooleanField("propertyValue_requestLogEnabled", commandProperties.requestLogEnabled().get());
    // this will get summed across all instances in a cluster
    json.writeNumberField("reportingHosts", 1);
    json.writeStringField("threadPool", commandMetrics.getThreadPoolKey().name());
    json.writeEndObject();
}

Example 9 with HystrixCommandProperties

use of com.netflix.hystrix.HystrixCommandProperties in project java-chassis by ServiceComb.

the class TestHystrixPropertiesStrategyExt method testgetCommandProperties.

@Test
public void testgetCommandProperties() {
    HystrixCommandKey commandKey = Mockito.mock(HystrixCommandKey.class);
    Mockito.when(commandKey.name()).thenReturn("provider.HystrixPropertiesStrategyExtTest.testgetCommandProperties");
    HystrixCommandProperties commandPro = HystrixPropertiesStrategyExt.getInstance().getCommandProperties(commandKey, HystrixCommandProperties.Setter());
    Assert.assertTrue(commandPro.circuitBreakerEnabled().get());
    Assert.assertEquals(Integer.valueOf(50), commandPro.circuitBreakerErrorThresholdPercentage().get());
    Assert.assertFalse(commandPro.circuitBreakerForceClosed().get());
    Assert.assertFalse(commandPro.circuitBreakerForceOpen().get());
    Assert.assertEquals(Integer.valueOf(20), commandPro.circuitBreakerRequestVolumeThreshold().get());
    Assert.assertEquals(Integer.valueOf(5000), commandPro.circuitBreakerSleepWindowInMilliseconds().get());
    Assert.assertEquals(Integer.valueOf(10), commandPro.executionIsolationSemaphoreMaxConcurrentRequests().get());
    Assert.assertTrue(commandPro.executionIsolationThreadInterruptOnTimeout().get());
    Assert.assertEquals(null, commandPro.executionIsolationThreadPoolKeyOverride().get());
    Assert.assertEquals(Integer.valueOf(1000), commandPro.executionTimeoutInMilliseconds().get());
    Assert.assertTrue(commandPro.executionTimeoutEnabled().get());
    Assert.assertEquals(Integer.valueOf(10), commandPro.fallbackIsolationSemaphoreMaxConcurrentRequests().get());
    Assert.assertTrue(commandPro.fallbackEnabled().get());
}