Understanding Redis High-Availability Architectures

Redis Clustering & Partitioning for Beginners – BMC Software redis hash slot When a key is inserted in Redis, the hash slot is found using the CRC-16 hash function to convert the key into an integer Then modulo 16383 of that integer is redis hash slot 在前几年，redis 如果要搞几个节点，每个节点存储一部分的数据，得借助一些中间件来实现，比如说有codis，或者twemproxy，都有。有一些redis 中间件，

redis crossslot keys in request don''t hash to the same slot Each hash slot is served by a specific Redis node in the cluster The distribution of hash slots among Redis nodes is determined by a process