l The maximum allowed size of a key is 512 MB. To reduce memory usage and facilitate key query, ensure that each key does not exceed 1 KB.
l The maximum allowed size of a string is 512 MB.
l The maximum allowed size of a set, list, or hash key is 512 MB. In essence, a set, a list and a hash key contain mappings between string keys.
l Prevent the client from constantly writing large values in Redis. Otherwise, network transmission efficiency will be lowered and the Redis server will take a longer time to process commands, resulting in higher latency.