Redis cluster specification

CROSSSLOT Keys in request don't hash to the same slot This is because the hash slot for book:3 is calculated as crc16 modulo 16384 is 8885

Hash tags are a way to ensure that multiple keys are allocated in the same hash slot hash slot, but only if the request is preceded by an ASKING command

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

surga slot 77 CROSSSLOT Keys in request don't hash to the same slot) ResponseError: CROSSSLOT Keys in request don't hash to the same slot