Related

HyperLogLog Add

redis

Estimate unique values

Set Key Value

redis

Set a string value for a given key in Redis.

Get Key Value

redis

Retrieve the string value stored at a key.

redis/pfcount

HyperLogLog Count

Estimate cardinality

hyperloglog
probabilistic

Command

PFCOUNT key

Explanation

Returns the approximated cardinality computed by the HyperLogLog data structure.

Examples

Estimate unique visitors

PFCOUNT visitors

More

Increment Value

redis

Increment the integer value of a key by one.

Set Hash Field

redis

Set a specific field in a hash to a given value.

Get Hash Field

redis

Retrieve the value of a specific field from a hash.