Package org.apache.hadoop.hbase.master

Class MetricsMasterWrapperImpl

java.lang.Object

org.apache.hadoop.hbase.master.MetricsMasterWrapperImpl

All Implemented Interfaces:

MetricsMasterWrapper

@Private
public class MetricsMasterWrapperImpl
extends Object
implements MetricsMasterWrapper

Impl for exposing HMaster Information through JMX

Field Summary

Fields

Modifier and Type	Field	Description
private final HMaster	master

Constructor Summary

Constructors

Constructor	Description
MetricsMasterWrapperImpl(HMaster master)

Method Summary

Modifier and Type	Method	Description
(package private) Map.Entry<Long,Long>	convertSnapshot(SpaceQuotaSnapshot snapshot)
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.
long	getOldWALsDirSize()	Get the size of old WALs directory in bytes.
PairOfSameType<Integer>	getRegionCounts()	Get the online and offline region counts
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.

Methods inherited from class java.lang.Object

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

Field Details

master

private final HMaster master

Constructor Details

MetricsMasterWrapperImpl

public MetricsMasterWrapperImpl(HMaster master)

Method Details

getAverageLoad

public double getAverageLoad()

Description copied from interface: MetricsMasterWrapper

Get Average Load

Specified by:

getAverageLoad in interface MetricsMasterWrapper

Returns:

Average Load

getSplitPlanCount

public long getSplitPlanCount()

Description copied from interface: MetricsMasterWrapper

Get the number of region split plans executed.

Specified by:

getSplitPlanCount in interface MetricsMasterWrapper

getMergePlanCount

public long getMergePlanCount()

Description copied from interface: MetricsMasterWrapper

Get the number of region merge plans executed.

Specified by:

getMergePlanCount in interface MetricsMasterWrapper

getMasterInitializationTime

public long getMasterInitializationTime()

Description copied from interface: MetricsMasterWrapper

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

Specified by:

getMasterInitializationTime in interface MetricsMasterWrapper

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

isRunning

public boolean isRunning()

Description copied from interface: MetricsMasterWrapper

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

Specified by:

isRunning in interface MetricsMasterWrapper

getDrainingRegionServers

public String getDrainingRegionServers()

Description copied from interface: MetricsMasterWrapper

Get the draining region servers

Specified by:

getDrainingRegionServers in interface MetricsMasterWrapper

Returns:

Draining region server

getNumDrainingRegionServers

public int getNumDrainingRegionServers()

Description copied from interface: MetricsMasterWrapper

Get the number of draining region servers

Specified by:

getNumDrainingRegionServers in interface MetricsMasterWrapper

Returns:

number of draining 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

getNumWALFiles

public long getNumWALFiles()

Description copied from interface: MetricsMasterWrapper

Get the number of master WAL files.

Specified by:

getNumWALFiles in interface MetricsMasterWrapper

getTableSpaceUtilization

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

Description copied from interface: MetricsMasterWrapper

Gets the space usage and limit for each table.

Specified by:

getTableSpaceUtilization in interface MetricsMasterWrapper

getNamespaceSpaceUtilization

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

Description copied from interface: MetricsMasterWrapper

Gets the space usage and limit for each namespace.

Specified by:

getNamespaceSpaceUtilization in interface MetricsMasterWrapper

convertSnapshot

Map.Entry<Long,Long> convertSnapshot(SpaceQuotaSnapshot snapshot)

getRegionCounts

public PairOfSameType<Integer> getRegionCounts()

Description copied from interface: MetricsMasterWrapper

Get the online and offline region counts

Specified by:

getRegionCounts in interface MetricsMasterWrapper

Returns:

pair of count for online regions and offline regions

getOldWALsDirSize

public long getOldWALsDirSize()

Description copied from interface: MetricsMasterWrapper

Get the size of old WALs directory in bytes.

Specified by:

getOldWALsDirSize in interface MetricsMasterWrapper