Package org.apache.hadoop.ozone.om.ha

Class OMHAMetrics

java.lang.Object

org.apache.hadoop.ozone.om.ha.OMHAMetrics

All Implemented Interfaces:

org.apache.hadoop.metrics2.MetricsSource

@Metrics(about="OzoneManager HA Metrics",
         context="ozone")
public final class OMHAMetrics
extends Object
implements org.apache.hadoop.metrics2.MetricsSource

Class to maintain metrics and info related to OM HA.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	SOURCE_NAME

Method Summary

Modifier and Type	Method	Description
static OMHAMetrics	create(String nodeId, String leaderId)	Create and return OMHAMetrics instance.
void	getMetrics(org.apache.hadoop.metrics2.MetricsCollector collector, boolean all)
String	getOmhaInfoNodeId()
int	getOmhaInfoOzoneManagerHALeaderState()
static void	unRegister()	Unregister the metrics instance.

Methods inherited from class java.lang.Object

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

Field Details

SOURCE_NAME

public static final String SOURCE_NAME

Method Details

create

public static OMHAMetrics create(String nodeId,
 String leaderId)

Create and return OMHAMetrics instance.

Returns:

OMHAMetrics

unRegister

public static void unRegister()

Unregister the metrics instance.

getMetrics

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

Specified by:

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

getOmhaInfoNodeId

public String getOmhaInfoNodeId()

getOmhaInfoOzoneManagerHALeaderState

public int getOmhaInfoOzoneManagerHALeaderState()