voldemort.store.stats
Class SimpleCounter

java.lang.Object
  voldemort.store.stats.SimpleCounter

public class SimpleCounter
extends java.lang.Object

A simple concurrent, non-blocking event counter that resets itself every interval, and provides eventRate and average event value metrics over the last complete interval

Constructor Summary

SimpleCounter(long resetIntervalMs)

Method Summary

void	count()
void	count(long eventValue)
java.lang.Double	getAvgEventValue() Returns the average event value in the current interval
java.lang.Double	getEventRate() Returns the events per second in the current interval

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleCounter

public SimpleCounter(long resetIntervalMs)

Method Detail

count

public void count()

count

public void count(long eventValue)

getEventRate

public java.lang.Double getEventRate()

Returns the events per second in the current interval

Returns:

events per second in the current interval

getAvgEventValue

public java.lang.Double getAvgEventValue()

Returns the average event value in the current interval