org.springframework.metrics.instrument.stats.quantile

Interface Quantiles

All Known Implementing Classes:

CKMSQuantiles, Frugal2UQuantiles, GKQuantiles, WindowSketchQuantiles

public interface Quantiles

Calculate φ-quantiles, where 0 ≤ φ ≤ 1. The φ-quantile is the observation value that ranks at number φ*N among N observations. Examples for φ-quantiles: The 0.5-quantile is known as the median. The 0.95-quantile is the 95th percentile.

Method Summary

Modifier and Type	Method and Description
java.lang.Double	get(double percentile)
java.util.Collection<java.lang.Double>	monitored() Get all monitored quantiles
void	observe(double value) Add a sample

Method Detail

observe

void observe(double value)

Add a sample

Parameters:

value -

get

java.lang.Double get(double percentile)

Parameters:

percentile - (0 .. 1.0)

Returns:

Get the Nth percentile

monitored

java.util.Collection<java.lang.Double> monitored()

Get all monitored quantiles