| 程序包 | 说明 |
|---|---|
| org.apache.hadoop.ipc.metrics | |
| org.apache.hadoop.metrics2.lib |
| 类和说明 |
|---|
| AbstractMetricsSource
A convenient base class for writing metrics sources
|
| 类和说明 |
|---|
| DefaultMetricsSystem
The default metrics system singleton
|
| MetricMutable
The mutable metric interface
|
| MetricMutableCounter
The mutable counter (monotonically increasing) metric interface
|
| MetricMutableCounterInt
A mutable int counter for implementing metrics sources
|
| MetricMutableCounterLong
A mutable long counter
|
| MetricMutableFactory
Factory class for mutable metrics
|
| MetricMutableGauge
The mutable gauge metric interface
|
| MetricMutableGaugeInt
A mutable int gauge
|
| MetricMutableGaugeLong
A mutable long gauge
|
| MetricMutableStat
A mutable metric with stats
Useful for keep throughput/latency stats.
|
| MetricsRegistry
An optional metrics registry class for creating and maintaining a
collection of MetricsMutables, making writing metrics source easier.
|
Copyright © 2009 The Apache Software Foundation