Redis哨兵模式（sentinel）学习总结及部署记录（主从复制、读写分离、主从切换）

转载自：https://www.cnblogs.com/kevingrace/p/9004460.html

refer:https://www.zhihu.com/question/354518943?sort=created

https://juejin.im/post/5db66ed9e51d452a2f15d833

https://juejin.im/post/5dbef8306fb9a0203f6fa3e2

https://blog.csdn.net/hopeztm/article/details/79547052