public static string ToJsonString(HystrixCollapserMetrics collapserMetrics)
{
using var sw = new StringWriter();
using var writer = new JsonTextWriter(sw);
WriteCollapserMetrics(writer, collapserMetrics);
return(sw.ToString());
}
public void Before()
{
context = HystrixRequestContext.InitializeContext();
HystrixCommandMetrics.Reset();
HystrixThreadPoolMetrics.Reset();
HystrixCollapserMetrics.Reset();
// clear collapsers
RequestCollapserFactory.Reset();
// clear circuit breakers
HystrixCircuitBreakerFactory.Reset();
HystrixPlugins.Reset();
HystrixOptionsFactory.Reset();
// clear up all streams
CumulativeCollapserEventCounterStream.Reset();
CumulativeCommandEventCounterStream.Reset();
CumulativeThreadPoolEventCounterStream.Reset();
RollingCollapserBatchSizeDistributionStream.Reset();
RollingCollapserEventCounterStream.Reset();
RollingCommandEventCounterStream.Reset();
RollingCommandLatencyDistributionStream.Reset();
RollingCommandMaxConcurrencyStream.Reset();
RollingCommandUserLatencyDistributionStream.Reset();
RollingThreadPoolEventCounterStream.Reset();
RollingThreadPoolMaxConcurrencyStream.Reset();
}
public HystrixDashboardStream.DashboardData GetTestData()
{
var commandKey = new HystrixCommandKeyDefault("command");
var tpKey = new HystrixThreadPoolKeyDefault("threadPool");
var collapserKey = new HystrixCollapserKeyDefault("collapser");
var commandMetric = new HystrixCommandMetrics(
commandKey,
new HystrixCommandGroupKeyDefault("group"),
tpKey,
new HystrixCommandOptions(),
HystrixEventNotifierDefault.GetInstance());
var threadPoolMetric = HystrixThreadPoolMetrics.GetInstance(
tpKey,
new HystrixSyncTaskScheduler(new HystrixThreadPoolOptions()),
new HystrixThreadPoolOptions());
var commandMetrics = new List <HystrixCommandMetrics>()
{
commandMetric
};
var collapserOptions = new HystrixCollapserOptions(collapserKey);
var threadPoolMetrics = new List <HystrixThreadPoolMetrics>()
{
threadPoolMetric
};
var collapserMetrics = new List <HystrixCollapserMetrics>()
{
HystrixCollapserMetrics.GetInstance(collapserKey, collapserOptions)
};
return(new HystrixDashboardStream.DashboardData(commandMetrics, threadPoolMetrics, collapserMetrics));
}
public HystrixTestBase()
{
HystrixCommandMetrics.Reset();
HystrixThreadPoolMetrics.Reset();
HystrixCollapserMetrics.Reset();
// clear collapsers
RequestCollapserFactory.Reset();
// clear circuit breakers
HystrixCircuitBreakerFactory.Reset();
HystrixPlugins.Reset();
HystrixOptionsFactory.Reset();
}
public HystrixTestBase()
{
this.context = HystrixRequestContext.InitializeContext();
HystrixCommandMetrics.Reset();
HystrixThreadPoolMetrics.Reset();
HystrixCollapserMetrics.Reset();
// clear collapsers
RequestCollapserFactory.Reset();
// clear circuit breakers
HystrixCircuitBreakerFactory.Reset();
HystrixPlugins.Reset();
HystrixOptionsFactory.Reset();
}
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();
}
public virtual IHystrixMetricsPublisherCollapser GetMetricsPublisherForCollapser(IHystrixCollapserKey collapserKey, HystrixCollapserMetrics metrics, IHystrixCollapserOptions properties)
{
return(new HystrixMetricsPublisherCollapserDefault(collapserKey, metrics, properties));
}
public HystrixMetricsPublisherCollapserDefault(IHystrixCollapserKey collapserKey, HystrixCollapserMetrics metrics, IHystrixCollapserOptions properties)
{
// do nothing by default
}
private HystrixDashboardStream(int delayInMs)
{
this.delayInMs = delayInMs;
this.singleSource = Observable.Interval(TimeSpan.FromMilliseconds(delayInMs))
.Map((timestamp) => { return(new DashboardData(HystrixCommandMetrics.GetInstances(), HystrixThreadPoolMetrics.GetInstances(), HystrixCollapserMetrics.GetInstances())); })
.OnSubscribe(() => { isSourceCurrentlySubscribed.Value = true; })
.OnDispose(() => { isSourceCurrentlySubscribed.Value = false; })
.Publish().RefCount();
}
internal IHystrixMetricsPublisherCollapser GetPublisherForCollapser(IHystrixCollapserKey collapserKey, HystrixCollapserMetrics metrics, IHystrixCollapserOptions properties)
{
return(collapserPublishers.GetOrAddEx(collapserKey.Name, (k) =>
{
IHystrixMetricsPublisherCollapser publisher = HystrixPlugins.MetricsPublisher.GetMetricsPublisherForCollapser(collapserKey, metrics, properties);
publisher.Initialize();
return publisher;
}));
}
public static IHystrixMetricsPublisherCollapser CreateOrRetrievePublisherForCollapser(IHystrixCollapserKey collapserKey, HystrixCollapserMetrics metrics, IHystrixCollapserOptions properties)
{
return(SINGLETON.GetPublisherForCollapser(collapserKey, metrics, properties));
}
