Online resharding and shard rebalancing for Redis OSS (cluster

How Redis Cluster works — communication, management, and more and learn how to set up a Redis Cluster locally · 1 Slots and Nodes: Redis

slot Multi-key operations executed on a Redis cluster cannot work if keys belong to different hash slots But, you

redisexceptionsresponseerror_ crossslot keys in request don''t hash to the same slot ## The role of slots Slot allocation can separate and distribute the data of the entire cluster on different nodes, which enables Redis to achieve high

redis crossslot keys in request don''t hash to the same slot Redis supports multi-key commands in Cluster Mode, such as Set type unions or intersections, mset and mget, as long as the keys all hash to the same slot