org.apache.reef.wake.metrics

Class Meter

java.lang.Object

org.apache.reef.wake.metrics.Meter

public class Meter
extends Object

Meter that monitors mean throughput and ewma (1m, 5m, 15m) throughput

Constructor Summary

Constructors

Constructor and Description
Meter(String name) Constructs a meter

Method Summary

Methods

Modifier and Type	Method and Description
double	get15mEWMAThp() Gets the 15-minute EWMA throughput
double	get1mEWMAThp() Gets the 1-minute EWMA throughput
double	get5mEWMAThp() Gets the 5-minute EWMA throughput
long	getCount() Gets the count
double	getMeanThp() Gets the mean throughput
String	getName() Gets the name of the meter
void	mark(long n) Marks the number of events

Methods inherited from class java.lang.Object

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

Constructor Detail

Meter

public Meter(String name)

Constructs a meter

Parameters:

name - the name of the meter

Method Detail

getName

public String getName()

Gets the name of the meter

Returns:

the meter name

mark

public void mark(long n)

Marks the number of events

Parameters:

n - the number of events

getCount

public long getCount()

Gets the count

Returns:

the count

getMeanThp

public double getMeanThp()

Gets the mean throughput

Returns:

the mean throughput

get1mEWMAThp

public double get1mEWMAThp()

Gets the 1-minute EWMA throughput

Returns:

the 1-minute EWMA throughput

get5mEWMAThp

public double get5mEWMAThp()

Gets the 5-minute EWMA throughput

Returns:

the 5-minute EWMA throughput

get15mEWMAThp

public double get15mEWMAThp()

Gets the 15-minute EWMA throughput

Returns:

the 15-minute EWMA throughput