What is a Redis cluster

This article introduces the knowledge of "what is Redis cluster". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

1. Redis cluster scheme

In Master-slave mode, the data of Master and Slave are the same. Slave synchronizes data from Master, then monitors the health status of Master and Slave through Sentinal (Sentinel), and quickly switches when abnormal, such as when Master is down, quickly upgrade Slave to Master.

Cluster mode, through the way of hash, forward the data to multiple machines, so that multiple machines can write, increasing the concurrent ability of writing.

II. Redis on-demand deployment

The configuration of redis can specify the maximum amount of memory used by this redis, which has the advantage that the company can specify the memory space when applying for redis.

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