Redis HLL tracking return 0 if there are no keys for given period
We should not call PFCOUNT operation if there are no keys for the given period.
We could return 0 if there are no keys for the given period.
Edited by Alina Mihaila
We should not call PFCOUNT operation if there are no keys for the given period.
We could return 0 if there are no keys for the given period.