| Feature | Description | Technical Detail | |---------|-------------|------------------| | | Incremental counter updated via WebSocket whenever a video starts playing. | Redis INCR + pub/sub to push updates to clients. | | Trending Score | Combines views, likes, and recentness (exponential decay) to rank videos. | score = (views * 0.6) + (likes * 0.3) + (recency_factor * 0.1) | | Top‑10 Lists | Separate lists for “All‑time”, “Last 24 h”, and “This Week”. | Cached in Redis; refreshed every minute. | | Share & Embed | One‑click copy of shareable URL and embed code (iframe). | Generates short URL via a URL‑shortener service. | | Analytics Panel (admin) | Shows heat‑maps of peak viewing times, geographic distribution, and device breakdown. | Grafana dashboards pulling from ClickHouse logs. |