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SYSTEM AND METHOD FOR PROVIDING SINGLETON SERVICES IN A CLUSTER
SYSTEM AND METHOD FOR PROVIDING SINGLETON SERVICES IN A CLUSTER
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机译:在集群中提供单一服务的系统和方法
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摘要
A system and method for providing singleton services in a cluster of servers, where one server is designated as a cluster master, other servers are designated as migratable servers and where all servers in the cluster heartbeat their liveness information against a database. The cluster master monitors the heartbeats of all migratable servers. Upon failure of a migratable server's heartbeat, the cluster master first attempts to restart the migratable server on the same machine and if that does not succeed, the cluster master migrates the migratable server to a different machine in the cluster. In accordance with an embodiment, all migratable servers monitor the heartbeats of the cluster master. Upon failure of the cluster master's heartbeating, one migratable server takes over the role of being cluster master.
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