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

YarnClusterMetrics()

Method Summary

abstract int	getNumNodeManagers() Get the number of NodeManagers in the cluster.
static YarnClusterMetrics	newInstance(int numNodeManagers)
abstract void	setNumNodeManagers(int numNodeManagers)

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

newInstance

@InterfaceAudience.Private
@InterfaceStability.Unstable
public static YarnClusterMetrics newInstance(int numNodeManagers)

getNumNodeManagers

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

Get the number of NodeManagers in the cluster.

Returns:

number of NodeManagers in the cluster

setNumNodeManagers

@InterfaceAudience.Private
@InterfaceStability.Unstable
public abstract void setNumNodeManagers(int numNodeManagers)