org.apache.accumulo.tserver.tablet

Class Rate

java.lang.Object

org.apache.accumulo.tserver.tablet.Rate

public class Rate
extends Object

Constructor Summary

Constructors

Constructor and Description
Rate(double ratio) Turn a counter into an exponentially smoothed rate over time.

Method Summary

Methods

Modifier and Type	Method and Description
double	rate()
double	update(long when, long counter)

Methods inherited from class java.lang.Object

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

Constructor Detail

Rate

public Rate(double ratio)

Turn a counter into an exponentially smoothed rate over time.

Parameters:

ratio - the rate at which each update influences the curve; must be (0., 1.0)

Method Detail

update

public double update(long when,
            long counter)

rate

public double rate()