Available in: Redis Stack
Time complexity: O(k), where k is the number of sub-filters
Check if an
item exists in a Cuckoo Filter
Integer reply - where "1" value means the item may exist in the filter, and a "0" value means it does not exist in the filter.
redis> CF.EXISTS cf item1 (integer) 1
redis> CF.EXISTS cf item_new (integer) 0