类 org.apache.hadoop.metrics2.MetricGauge
的使用

使用MetricGauge的程序包

程序包	说明
org.apache.hadoop.metrics2	Metrics 2.0 Overview Getting Started Metrics Filtering Metrics Instrumentation Strategy Migration from previous system Overview This package provides a framework for metrics instrumentation and publication.

org.apache.hadoop.metrics2中MetricGauge的使用

参数类型为MetricGauge的org.apache.hadoop.metrics2中的方法

限定符和类型	方法和说明
void	MetricsVisitor.gauge(MetricGauge<Double> metric, double value) Callback for double value gauges
void	MetricsVisitor.gauge(MetricGauge<Float> metric, float value) Callback for float value gauges
void	MetricsVisitor.gauge(MetricGauge<Integer> metric, int value) Callback for int value gauges
void	MetricsVisitor.gauge(MetricGauge<Long> metric, long value) Callback for long value gauges