public StreamConsumer([NotNull] StreamConsumerSettings <T> settings, [CanBeNull] ILog log)
{
this.settings = settings ?? throw new ArgumentNullException(nameof(settings));
this.log = (log ?? LogProvider.Get()).ForContext <StreamConsumer <T> >();
streamReader = new StreamReader <T>(
new StreamReaderSettings <T>(
settings.StreamName,
settings.StreamClient)
{
EventsReadTimeout = settings.EventsReadTimeout,
EventsReadBatchSize = settings.EventsReadBatchSize,
EventsReadAttempts = settings.EventsReadAttempts,
DelayOnError = settings.DelayOnError
},
log);
eventsMetric = settings.MetricContext?.CreateIntegerGauge("events", "type", new IntegerGaugeConfig {
ResetOnScrape = true
});
iterationMetric = settings.MetricContext?.CreateSummary("iteration", "type", new SummaryConfig {
Quantiles = new[] { 0.5, 0.75, 1 }
});
settings.MetricContext?.CreateFuncGauge("events", "type").For("remaining").SetValueProvider(() => CountStreamRemainingEvents());
}
public ReportingObserver(IMetricContext metricContext, TimeSpan?period)
{
var config = new FloatingGaugeConfig
{
ResetOnScrape = true,
Unit = WellKnownUnits.Milliseconds,
ScrapePeriod = period
};
gcTotalDuration = metricContext.CreateFloatingGauge("GcTotalDurationMs", "GcType", config);
gcLongestDuration = metricContext.CreateFloatingGauge("GcLongestDurationMs", "GcType", config);
}
public WindowedStreamConsumer([NotNull] WindowedStreamConsumerSettings <T, TKey> settings, [CanBeNull] ILog log)
: base(settings, log)
{
this.settings = settings ?? throw new ArgumentNullException(nameof(settings));
this.log = (log ?? LogProvider.Get()).ForContext <WindowedStreamConsumer <T, TKey> >();
tracer = settings.Tracer ?? TracerProvider.Get();
windows = new Dictionary <TKey, Windows <T, TKey> >();
var applicationMetricContext = settings.ApplicationMetricContext ?? new DevNullMetricContext();
eventLagMetric = applicationMetricContext.CreateHistogram("eventLag", new HistogramConfig {
Buckets = HistogramHelper.CreateDefaultBuckets(), Unit = WellKnownUnits.Milliseconds
});
var instanceMetricContext = settings.InstanceMetricContext ?? new DevNullMetricContext();
stateMetric = instanceMetricContext.CreateIntegerGauge("state", "type");
var settingsOnBatchEnd = settings.OnBatchEnd;
settings.OnBatchEnd = c =>
{
FlushWindows();
Task.Run(() => settings.LeftCoordinatesStorage.AdvanceAsync(leftCoordinates));
settingsOnBatchEnd?.Invoke(c);
};
var settingsOnEvent = settings.OnEvent;
settings.OnEvent = (e, c) =>
{
AddEvent(e, c);
settingsOnEvent?.Invoke(e, c);
};
var settingsOnRestart = settings.OnRestart;
settings.OnRestart = c =>
{
Restart(c).GetAwaiter().GetResult();
settingsOnRestart?.Invoke(c);
};
var settingsOnStop = settings.OnStop;
settings.OnStop = c =>
{
Stop(c).GetAwaiter().GetResult();
settingsOnStop?.Invoke(c);
};
}
public ThrottlingMetrics(
[NotNull] IThrottlingProvider provider,
[NotNull] IMetricContext metricContext,
[NotNull] ThrottlingMetricsOptions options)
{
eventSubscription = provider.Subscribe(this as IObserver <IThrottlingEvent>);
resultSubscription = provider.Subscribe(this as IObserver <IThrottlingResult>);
var integerGaugeConfig = new IntegerGaugeConfig {
InitialValue = 0, ResetOnScrape = true
};
var propertiesGaugeConfig = new IntegerGaugeConfig {
InitialValue = 0, ResetOnScrape = true, SendZeroValues = false
};
var floatingGaugeConfig = new FloatingGaugeConfig {
InitialValue = 0, ResetOnScrape = true
};
var summaryConfig = new SummaryConfig();
var counterConfig = new CounterConfig();
if (options.ScrapePeriod != null)
{
integerGaugeConfig.ScrapePeriod = options.ScrapePeriod;
floatingGaugeConfig.ScrapePeriod = options.ScrapePeriod;
summaryConfig.ScrapePeriod = options.ScrapePeriod;
counterConfig.ScrapePeriod = options.ScrapePeriod;
counterConfig.AggregationParameters = new Dictionary <string, string>().SetAggregationPeriod(options.ScrapePeriod.Value);
}
waitTimeSummary = metricContext.CreateSummary("queueWaitTime", summaryConfig);
rejectionCounter = metricContext.CreateCounter("rejectionsCount", "status", counterConfig);
maxCapacityLimit = metricContext.CreateIntegerGauge("maxCapacityLimit", integerGaugeConfig);
maxCapacityConsumed = metricContext.CreateIntegerGauge("maxCapacityConsumed", integerGaugeConfig);
maxCapacityUtilization = metricContext.CreateFloatingGauge("maxCapacityUtilization", floatingGaugeConfig);
maxQueueLimit = metricContext.CreateIntegerGauge("maxQueueLimit", integerGaugeConfig);
maxQueueSize = metricContext.CreateIntegerGauge("maxQueueSize", integerGaugeConfig);
maxQueueUtilization = metricContext.CreateFloatingGauge("maxQueueUtilization", floatingGaugeConfig);
maxConsumptionPerProperty = options.PropertiesWithConsumptionTracking
.ToDictionary(
property => property,
property => metricContext
.WithTag("scope", "property")
.WithTag("propertyName", property)
.CreateIntegerGauge("maxConsumption", "propertyValue", propertiesGaugeConfig));
propertyConsumptionTrackingThreshold = options.PropertyConsumptionTrackingThreshold;
}
public StreamBinaryWriter([NotNull] StreamBinaryWriterSettings settings, [CanBeNull] ILog log)
{
this.settings = settings ?? throw new ArgumentNullException(nameof(settings));
this.log = log = (log ?? LogProvider.Get()).ForContext <StreamBinaryWriter>();
var bufferPool = new BufferPool(settings.MaxPooledBufferSize, settings.MaxPooledBuffersPerBucket);
client = new GateRequestSender(settings.GateCluster, log /*.WithErrorsTransformedToWarns()*/, bufferPool, settings.GateClientAdditionalSetup);
tracer = settings.Tracer ?? TracerProvider.Get();
eventsMetric = settings.MetricContext?.CreateIntegerGauge("events", "type", new IntegerGaugeConfig {
ResetOnScrape = true
});
iterationMetric = settings.MetricContext?.CreateSummary("iteration", "type", new SummaryConfig {
Quantiles = new[] { 0.5, 0.75, 1 }
});
settings.MetricContext?.CreateFuncGauge("buffer", "type").For("rented_writer").SetValueProvider(() => BufferPool.Rented);
}
public StreamBinaryEventsWriter(StreamBinaryEventsWriterSettings settings, ILog log)
{
this.settings = settings ?? throw new ArgumentNullException(nameof(settings));
this.log = (log ?? LogProvider.Get()).ForContext <StreamBinaryEventsWriter>();
iterationMetric = settings.MetricContext.CreateSummary("iteration", "type", new SummaryConfig {
Quantiles = new[] { 0.5, 0.75, 1 }
});
emptyWriters = Channel.CreateUnbounded <Writer>(new UnboundedChannelOptions
{
SingleReader = true,
SingleWriter = false,
AllowSynchronousContinuations = false
});
for (var i = 0; i < settings.WritersPoolCapacity; i++)
{
emptyWriters.Writer.WriteAsync(new Writer(settings.WriterCapacity.Bytes)).AsTask().GetAwaiter().GetResult();
}
}
public BatchesStreamConsumer([NotNull] BatchesStreamConsumerSettings <T> settings, [CanBeNull] ILog log)
{
this.settings = settings ?? throw new ArgumentNullException(nameof(settings));
this.log = log = (log ?? LogProvider.Get()).ForContext <BatchesStreamConsumer <T> >();
tracer = settings.Tracer ?? TracerProvider.Get();
var bufferPool = new BufferPool(settings.MaxPooledBufferSize, settings.MaxPooledBuffersPerBucket);
client = new StreamApiRequestSender(settings.StreamApiCluster, log /*.WithErrorsTransformedToWarns()*/, bufferPool, settings.StreamApiClientAdditionalSetup);
var instanceMetricContext = settings.InstanceMetricContext ?? new DevNullMetricContext();
eventsMetric = instanceMetricContext.CreateIntegerGauge("events", "type", new IntegerGaugeConfig {
ResetOnScrape = true
});
iterationMetric = instanceMetricContext.CreateSummary("iteration", "type", new SummaryConfig {
Quantiles = new[] { 0.5, 0.75, 1 }
});
instanceMetricContext.CreateFuncGauge("events", "type").For("remaining").SetValueProvider(CountStreamRemainingEvents);
instanceMetricContext.CreateFuncGauge("buffer", "type").For("rented_reader").SetValueProvider(() => BufferPool.Rented);
}
public MetricsProvider(IMetricContext metricContext, string environment, string clientName)
{
var sendZeroValuesCounterConfig = new CounterConfig
{
ScrapePeriod = TimeSpan.FromMinutes(1),
SendZeroValues = false
};
var metricsTags = new MetricTags(
new MetricTag("project", SingularConstants.ProjectName),
new MetricTag("environment", environment),
new MetricTag("application", SingularConstants.ServiceName),
new MetricTag("cluster", SingularConstants.DefaultCluster),
new MetricTag("version", Version),
new MetricTag("clientName", clientName)
);
var metricsContext = metricContext.WithTags(metricsTags);
requestReasonsCounter = metricsContext.CreateCounter("client", "reason", sendZeroValuesCounterConfig);
}
public WindowedStreamConsumer([NotNull] WindowedStreamConsumerSettings <T, TKey> settings, [CanBeNull] ILog log)
: base(settings, log)
{
this.settings = settings ?? throw new ArgumentNullException(nameof(settings));
this.log = (log ?? LogProvider.Get()).ForContext <WindowedStreamConsumer <T, TKey> >();
tracer = settings.Tracer ?? TracerProvider.Get();
windows = new Dictionary <TKey, Windows <T, TKey> >();
var settingsOnBatchEnd = settings.OnBatchEnd;
settings.OnBatchEnd = c =>
{
FlushWindows();
settings.LeftCoordinatesStorage.AdvanceAsync(leftCoordinates);
settingsOnBatchEnd?.Invoke(c);
};
var settingsOnEvent = settings.OnEvent;
settings.OnEvent = (e, c) =>
{
AddEvent(e, c);
settingsOnEvent?.Invoke(e, c);
};
var settingsOnRestart = settings.OnRestart;
settings.OnRestart = c =>
{
Restart(c).GetAwaiter().GetResult();
settingsOnRestart?.Invoke(c);
};
var metricContext = settings.MetricContext ?? new DevNullMetricContext();
stateMetric = metricContext.CreateIntegerGauge("state", "type");
}
public TransformingEventHandler(StreamTransformerSettings settings, ILog log)
{
this.settings = settings;
this.log = log;
buffer = new List <HerculesEvent>();
writer = new StreamWriter(
new StreamWriterSettings(settings.TargetStreamName, settings.GateClient)
{
DelayOnError = settings.DelayOnError,
EventsWriteBatchSize = settings.EventsWriteBatchSize,
EventsWriteTimeout = settings.EventsWriteTimeout
},
log);
eventsMetric = settings.MetricContext?.CreateIntegerGauge("events", "type", new IntegerGaugeConfig {
ResetOnScrape = true
});
iterationMetric = settings.MetricContext?.CreateSummary("iteration", "type", new SummaryConfig {
Quantiles = new[] { 0.5, 0.75, 1 }
});
}
public MetricsModule(IMetricContext metricContext)
{
codesCounter = metricContext.CreateCounter("code", "value");
timer = metricContext.CreateTimer("time");
}