org.apache.hadoop.hbase.master

Interface MetricsMasterWrapper

All Known Implementing Classes:

MetricsMasterWrapperImpl

@InterfaceAudience.Private
public interface MetricsMasterWrapper

This is the interface that will expose information to hadoop1/hadoop2 implementations of the MetricsMasterSource.

Method Summary

Modifier and Type	Method and Description
long	getActiveTime() Get the hbase master active time
double	getAverageLoad() Get Average Load
String	getClusterId() Get the Cluster ID
String[]	getCoprocessors() Get the co-processors
String	getDeadRegionServers() Get the dead region servers
String	getDrainingRegionServers() Get the draining region servers
boolean	getIsActiveMaster() Whether this master is the active master
long	getMasterInitializationTime() Get the time in Millis when the master finished initializing/becoming the active master
long	getMergePlanCount() Get the number of region merge plans executed.
Map<String,Map.Entry<Long,Long>>	getNamespaceSpaceUtilization() Gets the space usage and limit for each namespace.
int	getNumDeadRegionServers() Get the number of dead region servers
int	getNumDrainingRegionServers() Get the number of draining region servers
int	getNumRegionServers() Get the number of live region servers
long	getNumWALFiles() Get the number of master WAL files.
String	getRegionServers() Get the live region servers
String	getServerName() Get ServerName
long	getSplitPlanCount() Get the number of region split plans executed.
long	getStartTime() Get hbase master start time
Map<String,Map.Entry<Long,Long>>	getTableSpaceUtilization() Gets the space usage and limit for each table.
String	getZookeeperQuorum() Get the ZooKeeper Quorum Info
boolean	isRunning() Returns if the master is currently running and is not attempting to shutdown.

Method Detail

isRunning

boolean isRunning()

Returns if the master is currently running and is not attempting to shutdown.

getServerName

String getServerName()

Get ServerName

getAverageLoad

double getAverageLoad()

Get Average Load

Returns:

Average Load

getClusterId

String getClusterId()

Get the Cluster ID

Returns:

Cluster ID

getZookeeperQuorum

String getZookeeperQuorum()

Get the ZooKeeper Quorum Info

Returns:

ZooKeeper Quorum Info

getCoprocessors

String[] getCoprocessors()

Get the co-processors

Returns:

Co-processors

getStartTime

long getStartTime()

Get hbase master start time

Returns:

Start time of master in milliseconds

getActiveTime

long getActiveTime()

Get the hbase master active time

Returns:

Time in milliseconds when master became active

getIsActiveMaster

boolean getIsActiveMaster()

Whether this master is the active master

Returns:

True if this is the active master

getRegionServers

String getRegionServers()

Get the live region servers

Returns:

Live region servers

getNumRegionServers

int getNumRegionServers()

Get the number of live region servers

Returns:

number of Live region servers

getDeadRegionServers

String getDeadRegionServers()

Get the dead region servers

Returns:

Dead region Servers

getNumDeadRegionServers

int getNumDeadRegionServers()

Get the number of dead region servers

Returns:

number of Dead region Servers

getDrainingRegionServers

String getDrainingRegionServers()

Get the draining region servers

Returns:

Draining region server

getNumDrainingRegionServers

int getNumDrainingRegionServers()

Get the number of draining region servers

Returns:

number of draining region servers

getNumWALFiles

long getNumWALFiles()

Get the number of master WAL files.

getSplitPlanCount

long getSplitPlanCount()

Get the number of region split plans executed.

getMergePlanCount

long getMergePlanCount()

Get the number of region merge plans executed.

getTableSpaceUtilization

Map<String,Map.Entry<Long,Long>> getTableSpaceUtilization()

Gets the space usage and limit for each table.

getNamespaceSpaceUtilization

Map<String,Map.Entry<Long,Long>> getNamespaceSpaceUtilization()

Gets the space usage and limit for each namespace.

getMasterInitializationTime

long getMasterInitializationTime()

Get the time in Millis when the master finished initializing/becoming the active master