Package org.apache.hadoop.hdfs.server.namenode.startupprogress

Class StartupProgressMetrics

java.lang.Object

org.apache.hadoop.hdfs.server.namenode.startupprogress.StartupProgressMetrics

All Implemented Interfaces:

org.apache.hadoop.metrics2.MetricsSource

@Private
public class StartupProgressMetrics
extends Object
implements org.apache.hadoop.metrics2.MetricsSource

Links StartupProgress to a MetricsSource to expose its information via JMX.

Constructor Summary

Constructors

Constructor	Description
StartupProgressMetrics(StartupProgress startupProgress)	Creates a new StartupProgressMetrics registered with the metrics system.

Method Summary

Modifier and Type	Method	Description
void	getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector, boolean all)
static void	register(StartupProgress prog)	Registers StartupProgressMetrics linked to the given StartupProgress.

Methods inherited from class java.lang.Object

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

Constructor Details

StartupProgressMetrics

public StartupProgressMetrics(StartupProgress startupProgress)

Creates a new StartupProgressMetrics registered with the metrics system.

Parameters:

startupProgress - StartupProgress to link

Method Details

register

public static void register(StartupProgress prog)

Registers StartupProgressMetrics linked to the given StartupProgress.

Parameters:

prog - StartupProgress to link

getMetrics

public void getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector,
 boolean all)

Specified by:

getMetrics in interface org.apache.hadoop.metrics2.MetricsSource