Invention Grant
US08654650B1 System and method for determining node staleness in a distributed system 有权
用于确定分布式系统中节点渐旧的系统和方法

System and method for determining node staleness in a distributed system
Abstract:
A method and system are disclosed for implementing a distributed lock manager comprising a plurality of nodes that coordinate with one another to maintain a shared state by agreeing to transitions using a distributed consensus protocol and applying those agreed to transitions. A given node of the system periodically propagates a local time from a local clock of the given node to the other nodes. When agreeing to a transition, the system associates the transition with the propagated local clock time. The given node later calculates a maximum staleness of the transition based at least on the current time of the node's local clock and the propagated local time associated with the transition.
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