接口的使用
org.apache.hadoop.hbase.metrics.Metric

org.apache.hadoop.hbase.metrics中Metric的使用

org.apache.hadoop.hbase.metrics中Metric的子接口

限定符和类型	接口和说明
interface	Counter A mutable number optimized for high concurrency counting.
interface	Gauge<T> A metrics which measures a discrete value.
interface	Histogram A metric which measures the distribution of values.
interface	Meter A metric which measure the rate at which some operation is invoked.
interface	MetricRegistry General purpose factory for creating various metrics.
interface	MetricSet A set of named metrics.
interface	Timer A metric which encompasses a Histogram and Meter.

返回Metric的org.apache.hadoop.hbase.metrics中的方法

限定符和类型	方法和说明
Metric	MetricRegistry.register(String name, Metric metric) Registers the Metric with the given name if there does not exist one with the same name.

返回变量类型为Metric的类型的org.apache.hadoop.hbase.metrics中的方法

限定符和类型	方法和说明
Optional<Metric>	MetricRegistry.get(String name) Returns previously registered metric with the name if any.
Map<String,Metric>	MetricSet.getMetrics() A map of metric names to metrics.

参数类型为Metric的org.apache.hadoop.hbase.metrics中的方法

限定符和类型	方法和说明
Metric	MetricRegistry.register(String name, Metric metric) Registers the Metric with the given name if there does not exist one with the same name.