org.apache.hadoop.metrics2

接口 MetricsSource

所有已知实现类:

AbstractMetricsSource, DataNodeInstrumentation, FSNamesystem, JvmMetricsSource, NameNodeInstrumentation, RpcInstrumentation, RpcInstrumentation.Detailed, TaskTrackerMetricsSource

public interface MetricsSource

The metrics source interface

方法概要

方法

限定符和类型	方法和说明
void	getMetrics(MetricsBuilder builder, boolean all) Get metrics from the source

方法详细资料

getMetrics

void getMetrics(MetricsBuilder builder,
              boolean all)

Get metrics from the source

参数:

builder - to contain the resulting metrics snapshot

all - if true, return all metrics even if unchanged.