Method updateSeries

modules/generator/registry/native_histogram.go:193–206

(hash uint64, s *nativeHistogramSeries, value float64, traceID string, multiplier float64)

}

func (h *nativeHistogram) updateSeries(hash uint64, s *nativeHistogramSeries, value float64, traceID string, multiplier float64) {
	// Use Prometheus native exemplar handling
	exemplarObserver := s.promHistogram.(prometheus.ExemplarObserver)

	labels := prometheus.Labels{h.traceIDLabelName: traceID}

	for i := 0.0; i < multiplier; i++ {
		// Let Prometheus handle exemplars natively
		exemplarObserver.ObserveWithExemplar(value, labels)
	}

	s.lastUpdated = time.Now().UnixMilli()
	h.lifecycler.OnUpdate(hash, h.activeSeriesPerHistogramSerie())
}

func (h *nativeHistogram) name() string {
	return h.metricName