private static void WriteCollapserConfigJson(JsonTextWriter json, IHystrixCollapserKey collapserKey, HystrixCollapserConfiguration collapserConfig)
{
json.WriteObjectFieldStart(collapserKey.Name);
json.WriteIntegerField("maxRequestsInBatch", collapserConfig.MaxRequestsInBatch);
json.WriteIntegerField("timerDelayInMilliseconds", collapserConfig.TimerDelayInMilliseconds);
json.WriteBooleanField("requestCacheEnabled", collapserConfig.IsRequestCacheEnabled);
json.WriteObjectFieldStart("metrics");
HystrixCollapserConfiguration.CollapserMetricsConfig metricsConfig = collapserConfig.CollapserMetricsConfiguration;
json.WriteIntegerField("percentileBucketSizeInMilliseconds", metricsConfig.RollingPercentileBucketSizeInMilliseconds);
json.WriteIntegerField("percentileBucketCount", metricsConfig.RollingCounterNumberOfBuckets);
json.WriteBooleanField("percentileEnabled", metricsConfig.IsRollingPercentileEnabled);
json.WriteIntegerField("counterBucketSizeInMilliseconds", metricsConfig.RollingCounterBucketSizeInMilliseconds);
json.WriteIntegerField("counterBucketCount", metricsConfig.RollingCounterNumberOfBuckets);
json.WriteEndObject();
json.WriteEndObject();
}
private static void WriteThreadPoolConfigJson(JsonTextWriter json, IHystrixThreadPoolKey threadPoolKey, HystrixThreadPoolConfiguration threadPoolConfig)
{
json.WriteObjectFieldStart(threadPoolKey.Name);
json.WriteIntegerField("coreSize", threadPoolConfig.CoreSize);
json.WriteIntegerField("maximumSize", threadPoolConfig.MaximumSize);
json.WriteIntegerField("maxQueueSize", threadPoolConfig.MaxQueueSize);
json.WriteIntegerField("queueRejectionThreshold", threadPoolConfig.QueueRejectionThreshold);
json.WriteIntegerField("keepAliveTimeInMinutes", threadPoolConfig.KeepAliveTimeInMinutes);
json.WriteBooleanField("allowMaximumSizeToDivergeFromCoreSize", threadPoolConfig.AllowMaximumSizeToDivergeFromCoreSize);
json.WriteIntegerField("counterBucketSizeInMilliseconds", threadPoolConfig.RollingCounterBucketSizeInMilliseconds);
json.WriteIntegerField("counterBucketCount", threadPoolConfig.RollingCounterNumberOfBuckets);
json.WriteEndObject();
}
private static void WriteCommandConfigJson(JsonTextWriter json, IHystrixCommandKey key, HystrixCommandConfiguration commandConfig)
{
json.WriteObjectFieldStart(key.Name);
json.WriteStringField("threadPoolKey", commandConfig.ThreadPoolKey.Name);
json.WriteStringField("groupKey", commandConfig.GroupKey.Name);
json.WriteObjectFieldStart("execution");
var executionConfig = commandConfig.ExecutionConfig;
json.WriteStringField("isolationStrategy", executionConfig.IsolationStrategy.ToString());
json.WriteStringField("threadPoolKeyOverride", executionConfig.ThreadPoolKeyOverride);
json.WriteBooleanField("requestCacheEnabled", executionConfig.IsRequestCacheEnabled);
json.WriteBooleanField("requestLogEnabled", executionConfig.IsRequestLogEnabled);
json.WriteBooleanField("timeoutEnabled", executionConfig.IsTimeoutEnabled);
json.WriteBooleanField("fallbackEnabled", executionConfig.IsFallbackEnabled);
json.WriteIntegerField("timeoutInMilliseconds", executionConfig.TimeoutInMilliseconds);
json.WriteIntegerField("semaphoreSize", executionConfig.SemaphoreMaxConcurrentRequests);
json.WriteIntegerField("fallbackSemaphoreSize", executionConfig.FallbackMaxConcurrentRequest);
json.WriteBooleanField("threadInterruptOnTimeout", executionConfig.IsThreadInterruptOnTimeout);
json.WriteEndObject();
json.WriteObjectFieldStart("metrics");
var metricsConfig = commandConfig.MetricsConfig;
json.WriteIntegerField("healthBucketSizeInMs", metricsConfig.HealthIntervalInMilliseconds);
json.WriteIntegerField("percentileBucketSizeInMilliseconds", metricsConfig.RollingPercentileBucketSizeInMilliseconds);
json.WriteIntegerField("percentileBucketCount", metricsConfig.RollingCounterNumberOfBuckets);
json.WriteBooleanField("percentileEnabled", metricsConfig.IsRollingPercentileEnabled);
json.WriteIntegerField("counterBucketSizeInMilliseconds", metricsConfig.RollingCounterBucketSizeInMilliseconds);
json.WriteIntegerField("counterBucketCount", metricsConfig.RollingCounterNumberOfBuckets);
json.WriteEndObject();
json.WriteObjectFieldStart("circuitBreaker");
var circuitBreakerConfig = commandConfig.CircuitBreakerConfig;
json.WriteBooleanField("enabled", circuitBreakerConfig.IsEnabled);
json.WriteBooleanField("isForcedOpen", circuitBreakerConfig.IsForceOpen);
json.WriteBooleanField("isForcedClosed", circuitBreakerConfig.IsForceOpen);
json.WriteIntegerField("requestVolumeThreshold", circuitBreakerConfig.RequestVolumeThreshold);
json.WriteIntegerField("errorPercentageThreshold", circuitBreakerConfig.ErrorThresholdPercentage);
json.WriteIntegerField("sleepInMilliseconds", circuitBreakerConfig.SleepWindowInMilliseconds);
json.WriteEndObject();
json.WriteEndObject();
}
private static void WriteCollapserMetrics(JsonTextWriter writer, HystrixCollapserMetrics collapserMetrics)
{
IHystrixCollapserKey key = collapserMetrics.CollapserKey;
writer.WriteStartObject();
writer.WriteStringField("type", "HystrixCollapser");
writer.WriteStringField("name", key.Name);
writer.WriteLongField("currentTime", Time.CurrentTimeMillisJava);
writer.WriteLongField("rollingCountRequestsBatched", collapserMetrics.GetRollingCount(CollapserEventType.ADDED_TO_BATCH));
writer.WriteLongField("rollingCountBatches", collapserMetrics.GetRollingCount(CollapserEventType.BATCH_EXECUTED));
writer.WriteLongField("rollingCountResponsesFromCache", collapserMetrics.GetRollingCount(CollapserEventType.RESPONSE_FROM_CACHE));
// batch size percentiles
writer.WriteIntegerField("batchSize_mean", collapserMetrics.BatchSizeMean);
writer.WriteObjectFieldStart("batchSize");
writer.WriteIntegerField("25", collapserMetrics.GetBatchSizePercentile(25));
writer.WriteIntegerField("50", collapserMetrics.GetBatchSizePercentile(50));
writer.WriteIntegerField("75", collapserMetrics.GetBatchSizePercentile(75));
writer.WriteIntegerField("90", collapserMetrics.GetBatchSizePercentile(90));
writer.WriteIntegerField("95", collapserMetrics.GetBatchSizePercentile(95));
writer.WriteIntegerField("99", collapserMetrics.GetBatchSizePercentile(99));
writer.WriteIntegerField("99.5", collapserMetrics.GetBatchSizePercentile(99.5));
writer.WriteIntegerField("100", collapserMetrics.GetBatchSizePercentile(100));
writer.WriteEndObject();
writer.WriteBooleanField("propertyValue_requestCacheEnabled", collapserMetrics.Properties.RequestCacheEnabled);
writer.WriteIntegerField("propertyValue_maxRequestsInBatch", collapserMetrics.Properties.MaxRequestsInBatch);
writer.WriteIntegerField("propertyValue_timerDelayInMilliseconds", collapserMetrics.Properties.TimerDelayInMilliseconds);
writer.WriteIntegerField("reportingHosts", 1); // this will get summed across all instances in a cluster
writer.WriteEndObject();
}
private static void WriteCommandMetrics(JsonTextWriter writer, HystrixCommandMetrics commandMetrics)
{
IHystrixCommandKey key = commandMetrics.CommandKey;
IHystrixCircuitBreaker circuitBreaker = HystrixCircuitBreakerFactory.GetInstance(key);
writer.WriteStartObject();
writer.WriteStringField("type", "HystrixCommand");
writer.WriteStringField("name", key.Name);
writer.WriteStringField("group", commandMetrics.CommandGroup.Name);
writer.WriteLongField("currentTime", Time.CurrentTimeMillisJava);
// circuit breaker
if (circuitBreaker == null)
{
// circuit breaker is disabled and thus never open
writer.WriteBooleanField("isCircuitBreakerOpen", false);
}
else
{
writer.WriteBooleanField("isCircuitBreakerOpen", circuitBreaker.IsOpen);
}
HealthCounts healthCounts = commandMetrics.Healthcounts;
writer.WriteIntegerField("errorPercentage", healthCounts.ErrorPercentage);
writer.WriteLongField("errorCount", healthCounts.ErrorCount);
writer.WriteLongField("requestCount", healthCounts.TotalRequests);
// rolling counters
writer.WriteLongField("rollingCountBadRequests", commandMetrics.GetRollingCount(HystrixEventType.BAD_REQUEST));
writer.WriteLongField("rollingCountCollapsedRequests", commandMetrics.GetRollingCount(HystrixEventType.COLLAPSED));
writer.WriteLongField("rollingCountEmit", commandMetrics.GetRollingCount(HystrixEventType.EMIT));
writer.WriteLongField("rollingCountExceptionsThrown", commandMetrics.GetRollingCount(HystrixEventType.EXCEPTION_THROWN));
writer.WriteLongField("rollingCountFailure", commandMetrics.GetRollingCount(HystrixEventType.FAILURE));
writer.WriteLongField("rollingCountFallbackEmit", commandMetrics.GetRollingCount(HystrixEventType.FALLBACK_EMIT));
writer.WriteLongField("rollingCountFallbackFailure", commandMetrics.GetRollingCount(HystrixEventType.FALLBACK_FAILURE));
writer.WriteLongField("rollingCountFallbackMissing", commandMetrics.GetRollingCount(HystrixEventType.FALLBACK_MISSING));
writer.WriteLongField("rollingCountFallbackRejection", commandMetrics.GetRollingCount(HystrixEventType.FALLBACK_REJECTION));
writer.WriteLongField("rollingCountFallbackSuccess", commandMetrics.GetRollingCount(HystrixEventType.FALLBACK_SUCCESS));
writer.WriteLongField("rollingCountResponsesFromCache", commandMetrics.GetRollingCount(HystrixEventType.RESPONSE_FROM_CACHE));
writer.WriteLongField("rollingCountSemaphoreRejected", commandMetrics.GetRollingCount(HystrixEventType.SEMAPHORE_REJECTED));
writer.WriteLongField("rollingCountShortCircuited", commandMetrics.GetRollingCount(HystrixEventType.SHORT_CIRCUITED));
writer.WriteLongField("rollingCountSuccess", commandMetrics.GetRollingCount(HystrixEventType.SUCCESS));
writer.WriteLongField("rollingCountThreadPoolRejected", commandMetrics.GetRollingCount(HystrixEventType.THREAD_POOL_REJECTED));
writer.WriteLongField("rollingCountTimeout", commandMetrics.GetRollingCount(HystrixEventType.TIMEOUT));
writer.WriteIntegerField("currentConcurrentExecutionCount", commandMetrics.CurrentConcurrentExecutionCount);
writer.WriteLongField("rollingMaxConcurrentExecutionCount", commandMetrics.RollingMaxConcurrentExecutions);
// latency percentiles
writer.WriteIntegerField("latencyExecute_mean", commandMetrics.ExecutionTimeMean);
writer.WriteObjectFieldStart("latencyExecute");
writer.WriteIntegerField("0", commandMetrics.GetExecutionTimePercentile(0));
writer.WriteIntegerField("25", commandMetrics.GetExecutionTimePercentile(25));
writer.WriteIntegerField("50", commandMetrics.GetExecutionTimePercentile(50));
writer.WriteIntegerField("75", commandMetrics.GetExecutionTimePercentile(75));
writer.WriteIntegerField("90", commandMetrics.GetExecutionTimePercentile(90));
writer.WriteIntegerField("95", commandMetrics.GetExecutionTimePercentile(95));
writer.WriteIntegerField("99", commandMetrics.GetExecutionTimePercentile(99));
writer.WriteIntegerField("99.5", commandMetrics.GetExecutionTimePercentile(99.5));
writer.WriteIntegerField("100", commandMetrics.GetExecutionTimePercentile(100));
writer.WriteEndObject();
writer.WriteIntegerField("latencyTotal_mean", commandMetrics.TotalTimeMean);
writer.WriteObjectFieldStart("latencyTotal");
writer.WriteIntegerField("0", commandMetrics.GetTotalTimePercentile(0));
writer.WriteIntegerField("25", commandMetrics.GetTotalTimePercentile(25));
writer.WriteIntegerField("50", commandMetrics.GetTotalTimePercentile(50));
writer.WriteIntegerField("75", commandMetrics.GetTotalTimePercentile(75));
writer.WriteIntegerField("90", commandMetrics.GetTotalTimePercentile(90));
writer.WriteIntegerField("95", commandMetrics.GetTotalTimePercentile(95));
writer.WriteIntegerField("99", commandMetrics.GetTotalTimePercentile(99));
writer.WriteIntegerField("99.5", commandMetrics.GetTotalTimePercentile(99.5));
writer.WriteIntegerField("100", commandMetrics.GetTotalTimePercentile(100));
writer.WriteEndObject();
// property values for reporting what is actually seen by the command rather than what was set somewhere
IHystrixCommandOptions commandProperties = commandMetrics.Properties;
writer.WriteIntegerField("propertyValue_circuitBreakerRequestVolumeThreshold", commandProperties.CircuitBreakerRequestVolumeThreshold);
writer.WriteIntegerField("propertyValue_circuitBreakerSleepWindowInMilliseconds", commandProperties.CircuitBreakerSleepWindowInMilliseconds);
writer.WriteIntegerField("propertyValue_circuitBreakerErrorThresholdPercentage", commandProperties.CircuitBreakerErrorThresholdPercentage);
writer.WriteBooleanField("propertyValue_circuitBreakerForceOpen", commandProperties.CircuitBreakerForceOpen);
writer.WriteBooleanField("propertyValue_circuitBreakerForceClosed", commandProperties.CircuitBreakerForceClosed);
writer.WriteBooleanField("propertyValue_circuitBreakerEnabled", commandProperties.CircuitBreakerEnabled);
writer.WriteStringField("propertyValue_executionIsolationStrategy", commandProperties.ExecutionIsolationStrategy.ToString());
writer.WriteIntegerField("propertyValue_executionIsolationThreadTimeoutInMilliseconds", commandProperties.ExecutionTimeoutInMilliseconds);
writer.WriteIntegerField("propertyValue_executionTimeoutInMilliseconds", commandProperties.ExecutionTimeoutInMilliseconds);
writer.WriteBooleanField("propertyValue_executionIsolationThreadInterruptOnTimeout", false);
writer.WriteStringField("propertyValue_executionIsolationThreadPoolKeyOverride", commandProperties.ExecutionIsolationThreadPoolKeyOverride);
writer.WriteIntegerField("propertyValue_executionIsolationSemaphoreMaxConcurrentRequests", commandProperties.ExecutionIsolationSemaphoreMaxConcurrentRequests);
writer.WriteIntegerField("propertyValue_fallbackIsolationSemaphoreMaxConcurrentRequests", commandProperties.FallbackIsolationSemaphoreMaxConcurrentRequests);
writer.WriteIntegerField("propertyValue_metricsRollingStatisticalWindowInMilliseconds", commandProperties.MetricsRollingStatisticalWindowInMilliseconds);
writer.WriteBooleanField("propertyValue_requestCacheEnabled", commandProperties.RequestCacheEnabled);
writer.WriteBooleanField("propertyValue_requestLogEnabled", commandProperties.RequestLogEnabled);
writer.WriteIntegerField("reportingHosts", 1); // this will get summed across all instances in a cluster
writer.WriteStringField("threadPool", commandMetrics.ThreadPoolKey.Name);
writer.WriteEndObject();
}
