How Redis Cluster Maintains Availability while Re-Sharding

How Redis Cluster Maintains Availability while Re-Sharding redis hash slot The client sent a command about hash slots never served by the master of this replica The cluster was reconfigured and redis hash slot A Redis® Cluster is divided into 16384 hash slots, and a deterministic formula is used to derive the key to hash slot mapping, that is [ CRC16(

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 slot A Redis Cluster is divided into 16384 hash slots, and a deterministic formula is used to derive the key to hash slot mapping, [ CRC16 Hash Tags are a way to ensure that multiple keys are allocated in the same hash slot There is an exception in the computation of hash slots