Package org.apache.hadoop.hdfs.server.datanode.metrics

Class DataNodeMetricHelper

java.lang.Object

org.apache.hadoop.hdfs.server.datanode.metrics.DataNodeMetricHelper

public class DataNodeMetricHelper
extends java.lang.Object

Constructor Summary

Constructors

Constructor	Description
DataNodeMetricHelper()

Method Summary

Modifier and Type	Method	Description
static void	getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector, FSDatasetMBean beanClass, java.lang.String context)	Get metrics helper provides Helper function for metrics2 interface to act as a Metric source

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DataNodeMetricHelper

public DataNodeMetricHelper()

Method Detail

getMetrics

public static void getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector,
                              FSDatasetMBean beanClass,
                              java.lang.String context)
                       throws java.io.IOException

Get metrics helper provides Helper function for metrics2 interface to act as a Metric source

Parameters:

collector - Metrics Collector that is passed in

beanClass - The Class that currently impliments the metric functions

context - A string that idenitifies the context

Throws:

java.io.IOException