How Redis Cluster Maintains Availability while Re-Sharding

A high performance redis cluster key slot calculator for node redis clients node_redis, ioredis and redis-clustr hash · crc · slot

How Redis Cluster Maintains Availability while Re-Sharding I use a Redis Cluster to handle queues A given Laravel queue name, ex: {default}, uses only 1 cluster slot because of Redis hash-tags

A high performance redis cluster key slot calculator for node redis clients node_redis, ioredis and redis-clustr hash · crc · slot

slot fruit cocktail Redis Cluster implements a concept called hash tags that can be used in order to force certain keys to be stored in the same hash slot, see Keys hash tag

hash slot Redis assigns keys to nodes by calculating the hash slot like this: Copy CRC16 mod 16384 CRC16 is a hashing function (

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

If the command is successful, the node will map the specified hash slots to itself, and will start broadcasting the new configuration However note that: The