Hash table collision resolution -

hash slot   Dan hash slot

In contrast, in most traditional hash tables, a change in the number of array slots causes nearly all keys to be remapped because the mapping between the keys

hash slot There are 16384 hash slots in Redis cluster, and to compute what is the hash slot of a given key, it take the CRC16 of the key hash slot 算法 hash 算法 来了一个key，首先计算hash 值 客户端的api，可以对指定的数据，让他们走同一个hash slot，通过hash tag 来实现。

pretty kitty slot Redis Cluster doesn't use consistent hashing to do the distribution job Instead, it uses the hash slots Each cluster has 16384 hash slots that It only provides database number 0 Redis Cluster uses a hash slot system to distribute data among the nodes When a new key is created