public interface MetricsSystem
Modifier and Type | Method and Description |
---|---|
Counter |
getCounter(String name)
Get or construct a
Counter used to track a mutable number. |
Histogram |
getHistogram(String name)
Get or construct a
Histogram used to measure a distribution of values. |
Meter |
getMeter(String name)
|
Timer |
getTimer(String name)
Get or construct a
Timer used to measure durations and report rates. |
<T> void |
register(String name,
Gauge<T> gauge)
Register a
Gauge . |
Timer getTimer(String name)
Timer
used to measure durations and report rates.name
- The name of the Timer.Timer
.Histogram getHistogram(String name)
Histogram
used to measure a distribution of values.name
- The name of the Histogram.Histogram
.Meter getMeter(String name)
Meter
used to measure durations and report distributions (a
combination of a Timer
and a Histogram
.name
- The name of the Meter.Meter
.Counter getCounter(String name)
Counter
used to track a mutable number.name
- The name of the CounterCounter
.<T> void register(String name, Gauge<T> gauge)
Gauge
. The Gauge will be invoked at a period defined by the implementation
of MetricsSystem
.name
- The name of the Gauge.gauge
- A callback to compute the current value.Copyright © 2012–2018 The Apache Software Foundation. All rights reserved.