Using Redis HASH instead of SET to reduce cache size and

redis hash slot served_mob64ca12f3496a的技术博客 redis hash slot hash slot Redis assigns keys to nodes by calculating the hash slot like this: Copy CRC16 mod 16384 CRC16 is a hashing function ( redis hash slot The entire keyspace in Redis Clusters is divided in 16384 slots and these slots are assigned to multiple Redis nodes

redis crossslot keys in request don''t hash to the same slot One shard can contain many hash slots, and a hash slot contains many keys The total number of hash slots in a database is always 16384