Redis Cluster: an interesting problem about moving hash slots around

CROSSLOT Keys in request don't hash to the same slot replyerror_ crossslot keys in request don't hash to the same slot CROSSSLOT Keys in request don't hash to the same slot This error occurs when keys aren't in the same hash slot even though the keys are stored in the same pig banker slot CROSSSLOT Keys in request don't hash to the same slot Solution 1 One solution is to force redis to insert the keys into same slot We can achieve

in wall mail slot Hash tags are used to guarantee that certain keys are placed in the same hash slot, read more about hash tags in the redis cluster tutorial