crossslot keys in request don't hash to the same slot-原创手记

When an operation requires multiple keys, all the involved keys must map to the same hash slot for the operation to be executed atomically and consistently

ERR CROSSSLOT Keys in request don't hash to the same slot within 'MULTI' > EXPIRE user

slot demo pg anti lag The error log means: The requested Key key is not hashed into the same slot The key space of the Redis cluster is divided into 16384 slots, and the maximum

slot no In a cluster topology, the keyspace is divided into hash slots Different nodes will hold a subset of hash slots Multiple keys operations