Cluster is a system which is connected by a group of node computers via high performance network or local area network and provides high performance, high availability and high scalability.

集群就是通过高性能网络或局部网络将一组计算机节点互联，形成的具有单一系统映像的高性能、高可用性、高扩展性的计算机集群系统。

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Cluster is a system which is connected with a group of node computers via high performance network or local area network and provides high performance, high availability and high scalability.

机群就是通过高性能网络或局部网络将一组计算机系统(节点)互联，形成的具有单一系统映像的高性能、高可用性、高扩展性的计算机集群系统。

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