BF.INFO key [CAPACITY | SIZE | FILTERS | ITEMS | EXPANSION]
@bloom
,
@read
,
@fast
,
Returns information about a Bloom filter.
key
is key name for a Bloom filter.
CAPACITY
Return the number of unique items that can be stored in this Bloom filter before scaling would be required (including already added items).
SIZE
Return the memory size: number of bytes allocated for this Bloom filter.
FILTERS
Return the number of sub-filters.
ITEMS
Return the number of items that were added to this Bloom filter and detected as unique (items that caused at least one bit to be set in at least one sub-filter).
EXPANSION
Return the expansion rate.
redis> BF.ADD bf1 observation1
(integer) 1
redis> BF.INFO bf1
1) Capacity
2) (integer) 100
3) Size
4) (integer) 240
5) Number of filters
6) (integer) 1
7) Number of items inserted
8) (integer) 1
9) Expansion rate
10) (integer) 2
redis> BF.INFO bf1 CAPACITY
1) (integer) 100
One of the following: