TOPK.Count key item [item ...]

Available in: Redis Stack

Time complexity: O(n) where n is the number of items

Returns count for an item. Multiple items can be requested at once. Please note this number will never be higher than the real count and likely to be lower.


  • key: Name of sketch where item is counted.
  • item: Item/s to be counted.


[] - count for responding item.


redis> TOPK.COUNT topk foo 42 nonexist
1) (integer) 3
2) (integer) 1
3) (integer) 0