org.apache.dubbo.metrics.aggregate

Class TimeWindowQuantile

java.lang.Object

org.apache.dubbo.metrics.aggregate.TimeWindowQuantile

public class TimeWindowQuantile
extends Object

Wrapper around TDigest.

Maintains a ring buffer of TDigest to provide quantiles over a sliding windows of time.

Constructor Summary

Constructors

Constructor and Description
TimeWindowQuantile(double compression, int bucketNum, int timeWindowSeconds)

Method Summary

Modifier and Type	Method and Description
void	add(double value)
double	quantile(double q)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TimeWindowQuantile

public TimeWindowQuantile(double compression,
                          int bucketNum,
                          int timeWindowSeconds)

Method Detail

quantile

public double quantile(double q)

add

public void add(double value)