YarnClusterMetrics (Apache Hadoop Main 2.0.3-alpha API)

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

@InterfaceAudience.Public @InterfaceStability.Stable public interface YarnClusterMetrics

YarnClusterMetrics represents cluster metrics.

Currently only number of NodeManagers is provided.

Method Summary
`int`	`getNumNodeManagers()` Get the number of `NodeManager`s in the cluster.

Method Detail

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

Get the number of NodeManagers in the cluster.