Package | Description |
---|---|
org.apache.hadoop.metrics2.lib |
A collection of library classes for implementing metrics sources
|
Modifier and Type | Class and Description |
---|---|
class |
MutableCounter
The mutable counter (monotonically increasing) metric interface
|
class |
MutableCounterInt
A mutable int counter for implementing metrics sources
|
class |
MutableCounterLong
A mutable long counter
|
class |
MutableGauge
The mutable gauge metric interface
|
class |
MutableGaugeInt
A mutable int gauge
|
class |
MutableGaugeLong
A mutable long gauge
|
class |
MutableQuantiles
Watches a stream of long values, maintaining online estimates of specific
quantiles with provably low error bounds.
|
class |
MutableRate
A convenient mutable metric for throughput measurement
|
class |
MutableRates
Helper class to manage a group of mutable rate metrics
|
class |
MutableStat
A mutable metric with stats.
|
Modifier and Type | Method and Description |
---|---|
MutableMetric |
MetricsRegistry.get(String name)
Get a metric by name
|
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