2022-04-11 redis哨兵客户端文档

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已于 2022-11-22 16:58:00 修改

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分类专栏： redis 文章标签： redis sentinel

于 2022-04-11 20:27:09 首次发布

本文链接：https://blog.youkuaiyun.com/adofsauron/article/details/124108453

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该文档为Redis Sentinel客户端开发提供了详细说明，包括如何通过Sentinel进行Redis服务发现，处理重新连接，应对Sentinel故障转移断开，连接到副本，错误报告，以及Sentinels列表自动刷新等，旨在实现客户端自动配置和提高Sentinel自动故障转移的安全性。

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Sentinel client spec

Redis service discovery via Sentinel

Step 1: connecting to the first Sentinel

Step 2: ask for master address

Step 3: call the ROLE command in the target instance

Handling reconnections

Sentinel failover disconnection

Connecting to replicas

Connection pools

Error reporting

Sentinels list automatic refresh

Subscribe to Sentinel events to improve responsiveness

Additional information

Sentinel client spec

How to build clients for Redis Sentinel

Redis Sentinel is a monitoring solution for Redis instances that handles automatic failover of Redis masters and service discovery (who is the current master for a given group of instances?). Since Sentinel is both responsible for reconfiguring instances during failovers, and providing configurations to clients connecting to Redis masters or replicas, clients are required to have explicit support for Redis Sentinel.

This document is targeted at Redis clients developers that want to support Sentinel in their clients implementation with the following goals: