CF.ADD key item
@cuckoo,
@write,
@slow,
Adds an item to the cuckoo filter.
Cuckoo filters can contain the same item multiple times, and consider each addition as separate.
Use CF.ADDNX to add an item only if it does not exist.
keyis key name for a cuckoo filter to add the item to.
If key does not exist - a new cuckoo filter is created.
itemis an item to add.
O(n + i), where n is the number of sub-filters and i is maxIterations.
Adding items requires up to 2 memory accesses per sub-filter.
But as the filter fills up, both locations for an item might be full.
The filter attempts to Cuckoo swap items up to maxIterations times.
redis> CF.ADD cf item1
(integer) 1
redis> CF.ADD cf item1
(integer) 1One of the following:
1 for successfully adding an item to the filter.