exphistogram

Documentation

Overview

Package exphistogram contains utility functions for exponential histogram conversions.

Index

• func LowerBoundary(index, scale int) float64
• func LowerBoundaryNegativeScale(index, scale int) float64
• func ToTDigest(dp pmetric.ExponentialHistogramDataPoint) (counts []int64, values []float64)

Functions

func LowerBoundary

func LowerBoundary(index, scale int) float64

LowerBoundary calculates the lower boundary given index and scale. Adopted from https://opentelemetry.io/docs/specs/otel/metrics/data-model/#producer-expectations

func LowerBoundaryNegativeScale

func LowerBoundaryNegativeScale(index, scale int) float64

LowerBoundaryNegativeScale calculates the lower boundary for scale <= 0. Adopted from https://opentelemetry.io/docs/specs/otel/metrics/data-model/#producer-expectations

func ToTDigest

func ToTDigest(dp pmetric.ExponentialHistogramDataPoint) (counts []int64, values []float64)

ToTDigest converts an OTLP exponential histogram data point to T-Digest counts and mean centroid values.