Understanding Redis High-Availability Architectures

Resolve the CROSSLOT error in ElastiCache for Redis redis hash 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 redis hash slot hash slot Every node in a Redis Cluster is responsible for a subset of the hash slots, so for example you may have a cluster with 3 nodes, where: Node A

redisexceptionsresponseerror_ crossslot keys in request don''t hash to the same slot The single key or multi-key operation must belong to the same hash slot of the shard By default, replica nodes with cluster mode turned on redirect all read