![]() ![]() New developments are performed in the unstable branch, and new features The initial Sentinel implementation using stronger and simpler-to-predictĪlgorithms (that are explained in this documentation).Ī stable release of Redis Sentinel is shipped since Redis 2.8. The current version of Sentinel is called Sentinel 2. Order to understand how exactly Sentinel works. Properties of Sentinel, to more complex information (that are optional) in Starting from basic information needed in order to understand the basic In this document concepts will be introduced gradually ![]() The sum of Sentinels, Redis instances (masters and replicas) and clientsĬonnecting to Sentinel and Redis, are also a larger distributed system with There is no fun in having a failover system which is itself a single point of failure, after all. Sentinel works even if not all the Sentinel processes are working, making the system robust against failures. ![]() This lowers the probability of false positives.
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