Beyond the core types, Redis offers specialized structures — HyperLogLog, bitmaps, geospatial, bitfields — and modules (RedisJSON, RediSearch, RedisTimeSeries, RedisBloom) that extend Redis for specialized use cases efficiently.
HyperLogLog — estimering af unikke antal
PFADD visitors:today
PFCOUNT visitors:today
PFMERGE visitors:week visitors:mon visitors:tue
