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

Methods

Modifier and Type	Method and Description
abstract int	getNumNodeManagers() Get the number of NodeManagers 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