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