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    • 23. 发明授权
    • System and method for determining staleness of data received from a distributed lock manager
    • 用于确定从分布式锁管理器接收的数据的稳定性的系统和方法
    • US08719432B1
    • 2014-05-06
    • US12771861
    • 2010-04-30
    • Allan H. VermeulenTimothy Andrew Rath
    • Allan H. VermeulenTimothy Andrew Rath
    • G06F15/16G06F7/00G06F17/00
    • G06F9/526
    • A method and system are disclosed for implementing a client of a distributed lock manager comprising a plurality of nodes. The client is configured to send a request to the distributed lock manager, the request including a local time of the client. The client receives a response to the request from a node of the distributed lock manager where the request includes an echo of the local time included in the request. The response also indicates that a lock corresponding to a given resource has been granted to the client and the client subsequently utilizes the resource. The client subsequently determines that a safe period of time has elapsed for using the resource. This determination is dependent at least on a client staleness corresponding to a difference between the echoed time and current local time at the client.
    • 公开了一种用于实现包括多个节点的分布式锁管理器的客户端的方法和系统。 客户端被配置为向分布式锁管理器发送请求,该请求包括客户端的本地时间。 客户端从分布式锁管理器的节点接收对请求的响应,其中请求包括请求中包括的本地时间的回显。 响应还指示对于给定资源的锁已被授予客户端,并且客户端随后利用该资源。 客户端随后确定使用资源已经过了一段安全的时间。 该确定至少依赖于客户端的响应时间和当前本地时间之间的差异的客户端陈旧度。