org.apache.hadoop.hbase.regionserver

Interface MetricsUserSource

All Superinterfaces:

Comparable<MetricsUserSource>

All Known Implementing Classes:

MetricsUserSourceImpl

@InterfaceAudience.Private
public interface MetricsUserSource
extends Comparable<MetricsUserSource>

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	MetricsUserSource.ClientMetrics

Method Summary

Modifier and Type	Method and Description
void	deregister()
Map<String,MetricsUserSource.ClientMetrics>	getClientMetrics() Metrics collected at client level for a user(needed for reporting through clusterStatus and hbtop currently)
void	getMetrics(org.apache.hadoop.metrics2.MetricsCollector metricsCollector, boolean all)
MetricsUserSource.ClientMetrics	getOrCreateMetricsClient(String hostName) Create a instance of ClientMetrics if not present otherwise return the previous one
String	getUser()
void	register()
void	updateAppend(long t)
void	updateDelete(long t)
void	updateGet(long t)
void	updateIncrement(long t)
void	updatePut(long t)
void	updateReplay(long t)
void	updateScanTime(long t)

Methods inherited from interface java.lang.Comparable

compareTo

Method Detail

getUser

String getUser()

register

void register()

deregister

void deregister()

updatePut

void updatePut(long t)

updateDelete

void updateDelete(long t)

updateGet

void updateGet(long t)

updateIncrement

void updateIncrement(long t)

updateAppend

void updateAppend(long t)

updateReplay

void updateReplay(long t)

updateScanTime

void updateScanTime(long t)

getMetrics

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

getClientMetrics

Map<String,MetricsUserSource.ClientMetrics> getClientMetrics()

Metrics collected at client level for a user(needed for reporting through clusterStatus and hbtop currently)

Returns:

metrics per hostname

getOrCreateMetricsClient

MetricsUserSource.ClientMetrics getOrCreateMetricsClient(String hostName)

Create a instance of ClientMetrics if not present otherwise return the previous one

Parameters:

hostName - hostname of the client

Returns:

Instance of ClientMetrics