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宕机后,Redis如何实现快速恢复?-程序员麦冬

 3 years ago
source link: https://blog.51cto.com/14849432/2528593
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Redis作为非常火热的内存数据库,其除了具有非常高的性能之外,还需要保证高可用,在故障发生时,尽可能地降低故障带来的影响,Redis也提供了完善的故障恢复机制:哨兵。下面就来具体来看看Redis的故障恢复是如何做的,以及其中的原理。部署模式Redis在部署时,可以采用多种方式部署,每种部署方式对应不同的可用级别。单节点部署:只有一个节点提供服务,读写均在此节点,此节点宕机则数据全部丢失,直接影响

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