Scale with Redis Cluster

The client sent a command about hash slots never served by the master of this replica The cluster was reconfigured and

hash slot Redis assigns keys to nodes by calculating the hash slot like this: Page 2 CRC16 mod 16384 CRC16 is a hashing function ( , converts a

redis slot Redis Cluster implements a concept called hash tags that can be used in order to force certain keys to be stored in the same hash slot, see Keys hash tag

redisexceptionsresponseerror_ crossslot keys in request don''t hash to the same slot Hash tags are a substring in curly braces that Redis will use for calculating the hash slot and consequently determine the cluster node It