Adds elements to a HyperLogLog data structure.
Adds elements to a HyperLogLog data structure.
True if a bit was set in the HyperLogLog data structure
http://redis.io/commands/pfadd
Get the approximated cardinality of sets observed by the HyperLogLog at key(s)
Get the approximated cardinality of sets observed by the HyperLogLog at key(s)
Approximated number of unique elements
http://redis.io/commands/pfcount
Merge HyperLogLogs at srcKeys to create a new HyperLogLog at destKey
Merge HyperLogLogs at srcKeys to create a new HyperLogLog at destKey
http://redis.io/commands/pfmerge