Redis cluster specification

Redis cluster specification redis hash slot RedisSerializers , as changing JSON structure has immediate influence on hash slot calculation RedisTemplate provides access to cluster-specific operations redis crossslot keys in request don''t hash to the same slot Effectively, the “key-set” of our HASH is our “set” data structure Our strategy results in a view of the HASH like this: redisHashKey: { valueToStore1: 1,

redis 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 node To implement multi-key operations in a sharded

redis hash 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  The command returns an array of keys names stored in the contacted node and hashing to the specified hash slot The maximum number of keys to return is