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REPLICATED STATE CLUSTER WITH STANDBY NODE STATE ASSESSMENT DURING LEADERSHIP TRANSITION
REPLICATED STATE CLUSTER WITH STANDBY NODE STATE ASSESSMENT DURING LEADERSHIP TRANSITION
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机译:具有备用节点状态评估的复制状态集群在领导转换期间
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摘要
A replicated state cluster is provided that employs a standby node state assessment during a leadership transition. One method, by a first standby node, comprises monitoring communications from a first cluster leader, wherein the first cluster leader and the first standby node are members of a replicated state cluster; obtaining a designation as a second cluster leader of the replicated state cluster in response to the first cluster leader becoming unavailable; and assessing a state of an additional standby node of the replicated state cluster within a time period after the designation, wherein the additional standby node is available as a candidate leader of the replicated state cluster during the time period when the state of the additional standby node is valid based at least in part on a validity criteria, wherein the state comprises one or more results of one or more write operations generated by an application.
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