org.apache.hadoop.hbase.master

Class MetricsMasterWrapperImpl

java.lang.Object

org.apache.hadoop.hbase.master.MetricsMasterWrapperImpl

All Implemented Interfaces:

MetricsMasterWrapper

@InterfaceAudience.Private
public class MetricsMasterWrapperImpl
extends Object
implements MetricsMasterWrapper

Impl for exposing HMaster Information through JMX

Constructor Summary

Constructors

Constructor and Description
MetricsMasterWrapperImpl(HMaster master)

Method Summary

Methods

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
boolean	getIsActiveMaster() Whether this master is the active master
int	getNumDeadRegionServers() Get the number of dead region servers
int	getNumRegionServers() Get the number of live region servers
String	getRegionServers() Get the live region servers
String	getServerName() Get ServerName
long	getStartTime() Get hbase master start time
String	getZookeeperQuorum() Get the Zookeeper Quorum Info

Methods inherited from class java.lang.Object

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

Constructor Detail

MetricsMasterWrapperImpl

public MetricsMasterWrapperImpl(HMaster master)

Method Detail

getAverageLoad

public double getAverageLoad()

Description copied from interface: MetricsMasterWrapper

Get Average Load

Specified by:

getAverageLoad in interface MetricsMasterWrapper

Returns:

Average Load

getClusterId

public String getClusterId()

Description copied from interface: MetricsMasterWrapper

Get the Cluster ID

Specified by:

getClusterId in interface MetricsMasterWrapper

Returns:

Cluster ID

getZookeeperQuorum

public String getZookeeperQuorum()

Description copied from interface: MetricsMasterWrapper

Get the Zookeeper Quorum Info

Specified by:

getZookeeperQuorum in interface MetricsMasterWrapper

Returns:

Zookeeper Quorum Info

getCoprocessors

public String[] getCoprocessors()

Description copied from interface: MetricsMasterWrapper

Get the co-processors

Specified by:

getCoprocessors in interface MetricsMasterWrapper

Returns:

Co-processors

getStartTime

public long getStartTime()

Description copied from interface: MetricsMasterWrapper

Get hbase master start time

Specified by:

getStartTime in interface MetricsMasterWrapper

Returns:

Start time of master in milliseconds

getActiveTime

public long getActiveTime()

Description copied from interface: MetricsMasterWrapper

Get the hbase master active time

Specified by:

getActiveTime in interface MetricsMasterWrapper

Returns:

Time in milliseconds when master became active

getRegionServers

public String getRegionServers()

Description copied from interface: MetricsMasterWrapper

Get the live region servers

Specified by:

getRegionServers in interface MetricsMasterWrapper

Returns:

Live region servers

getNumRegionServers

public int getNumRegionServers()

Description copied from interface: MetricsMasterWrapper

Get the number of live region servers

Specified by:

getNumRegionServers in interface MetricsMasterWrapper

Returns:

number of Live region servers

getDeadRegionServers

public String getDeadRegionServers()

Description copied from interface: MetricsMasterWrapper

Get the dead region servers

Specified by:

getDeadRegionServers in interface MetricsMasterWrapper

Returns:

Dead region Servers

getNumDeadRegionServers

public int getNumDeadRegionServers()

Description copied from interface: MetricsMasterWrapper

Get the number of dead region servers

Specified by:

getNumDeadRegionServers in interface MetricsMasterWrapper

Returns:

number of Dead region Servers

getServerName

public String getServerName()

Description copied from interface: MetricsMasterWrapper

Get ServerName

Specified by:

getServerName in interface MetricsMasterWrapper

getIsActiveMaster

public boolean getIsActiveMaster()

Description copied from interface: MetricsMasterWrapper

Whether this master is the active master

Specified by:

getIsActiveMaster in interface MetricsMasterWrapper

Returns:

True if this is the active master