Redis, Data Structure Algorithm, DevOps, Software Development, Software Engineering.
count if it already exists. TOPK.LIST – Retrieve the top items from a Top-K data structure. TOPK.QUERY – Check for existence of one or more items in a Top-K data structure. TOPK.INCRBY – Increment the count of one or more items in a Top-K data structure. Count-min Sketch Estimates element frequency