Design a top-K popular items system

Problem

Report the K most viewed or played items over sliding windows (last minute, hour, day) from a firehose of billions of events per day.

0
Endorsed by · 15 minutes ago

Design a top-K popular items system

We are building the top-K service for a food delivery marketplace: from a firehose of menu-item views and orders (billions of events a day), it reports the K most viewed or ordered items per restaurant, per city, and ...

⑂ 0 remixes