org.apache.hadoop.yarn.api.records

Class YarnClusterMetrics

java.lang.Object

org.apache.hadoop.yarn.api.records.YarnClusterMetrics

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract class YarnClusterMetrics
extends Object

YarnClusterMetrics represents cluster metrics.

Currently only number of NodeManagers is provided.

Constructor Summary

Constructors

Constructor and Description
YarnClusterMetrics()

Method Summary

Modifier and Type	Method and Description
abstract int	getNumActiveNodeManagers() Get the number of ActiveNodeManagers in the cluster.
abstract int	getNumDecommissionedNodeManagers() Get the number of DecommissionedNodeManagers in the cluster.
abstract int	getNumLostNodeManagers() Get the number of LostNodeManagers in the cluster.
abstract int	getNumNodeManagers() Get the number of NodeManagers in the cluster.
abstract int	getNumRebootedNodeManagers() Get the number of RebootedNodeManagers in the cluster.
abstract int	getNumUnhealthyNodeManagers() Get the number of UnhealthyNodeManagers in the cluster.

Methods inherited from class java.lang.Object

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

Constructor Detail

YarnClusterMetrics

public YarnClusterMetrics()

Method Detail

getNumNodeManagers

@InterfaceAudience.Public
 @InterfaceStability.Stable
public abstract int getNumNodeManagers()

Get the number of NodeManagers in the cluster.

Returns:

number of NodeManagers in the cluster

getNumDecommissionedNodeManagers

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public abstract int getNumDecommissionedNodeManagers()

Get the number of DecommissionedNodeManagers in the cluster.

Returns:

number of DecommissionedNodeManagers in the cluster

getNumActiveNodeManagers

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public abstract int getNumActiveNodeManagers()

Get the number of ActiveNodeManagers in the cluster.

Returns:

number of ActiveNodeManagers in the cluster

getNumLostNodeManagers

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public abstract int getNumLostNodeManagers()

Get the number of LostNodeManagers in the cluster.

Returns:

number of LostNodeManagers in the cluster

getNumUnhealthyNodeManagers

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public abstract int getNumUnhealthyNodeManagers()

Get the number of UnhealthyNodeManagers in the cluster.

Returns:

number of UnhealthyNodeManagers in the cluster

getNumRebootedNodeManagers

@InterfaceAudience.Public
 @InterfaceStability.Unstable
public abstract int getNumRebootedNodeManagers()

Get the number of RebootedNodeManagers in the cluster.

Returns:

number of RebootedNodeManagers in the cluster