Package com.yahoo.vespa.curator.stats

Class LatencyMetrics

java.lang.Object

com.yahoo.vespa.curator.stats.LatencyMetrics

public class LatencyMetrics
extends Object

Metrics on the time interval associated with e.g. the acquiring of a lock.

In the language of LatencyStats, these metrics relate to time intervals associated with e.g. the acquiring of a lock, collected over time period.

Author:

hakon

See Also:

LatencyStats

Constructor Summary

Constructors

Constructor	Description
LatencyMetrics(Duration latency, Duration maxLatency, Duration maxActiveLatency, double startHz, double endHz, double load, int maxLoad, int currentLoad)

Method Summary

Modifier and Type	Method	Description
int	currentLoad()	Returns the number of active intervals right now.
double	endHz()	Returns the average number of intervals that ended in the period per second.
double	latencySeconds()	Returns the average latency of all intervals that ended in the period.
double	load()	The average load of the implied time period, with 3 decimal places precision.
double	maxActiveLatencySeconds()	Return the maximum latency of any interval that ended in the period, or is still active.
double	maxLatencySeconds()	Returns the maximum latency of any interval that ended in the period.
int	maxLoad()	Returns the maximum number of concurrently active intervals in the period.
double	startHz()	Returns the average number of intervals that started in the period per second.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

LatencyMetrics

public LatencyMetrics(Duration latency,
                      Duration maxLatency,
                      Duration maxActiveLatency,
                      double startHz,
                      double endHz,
                      double load,
                      int maxLoad,
                      int currentLoad)

Method Detail

latencySeconds

public double latencySeconds()

Returns the average latency of all intervals that ended in the period.

maxLatencySeconds

public double maxLatencySeconds()

Returns the maximum latency of any interval that ended in the period.

maxActiveLatencySeconds

public double maxActiveLatencySeconds()

Return the maximum latency of any interval that ended in the period, or is still active.

startHz

public double startHz()

Returns the average number of intervals that started in the period per second.

endHz

public double endHz()

Returns the average number of intervals that ended in the period per second.

load

public double load()

The average load of the implied time period, with 3 decimal places precision.

maxLoad

public int maxLoad()

Returns the maximum number of concurrently active intervals in the period.

currentLoad

public int currentLoad()

Returns the number of active intervals right now.

toString

public String toString()

Overrides:

toString in class Object