Redis Cluster

Issues with overloading redis - Support redis hash slot There are 3 metrics visible when viewing the Redis Slots monitoring list or graph Master Slots Count: This is the number of hash slots that each master redis crossslot keys in request don''t hash to the same 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 hash slot Redis Cluster uses a hash slot-based partitioning scheme to distribute data evenly across the nodes Each key is assigned to one of the 16,384