Design Uber Ride-Sharing Platform
Design a ride-sharing application matching drivers with passengers, handling real-time location tracking, fare calculation, and payments.
Solution Overview
Uber system: Geospatial indexing (QuadTree/S2) for driver matching, WebSocket for real-time location, distributed trip state machine, payment gateway integration, surge pricing algorithm, trip matching service.
Uber system: Geospatial indexing (QuadTree/S2) for driver matching, WebSocket for real-time location, distributed trip state machine, payment gateway integration, surge pricing algorithm, trip matching service.
Use QuadTree to find nearby drivers within radius. Score by distance, rating, acceptance rate.
- •Rider requests → Find drivers → Send requests → Driver accepts → Navigate → Complete → Payment
Monitor supply/demand ratio per region. Dynamic multiplier based on thresholds. Update every 5 mins.
Use historical traffic data + current conditions. Dijkstra or A* on road network graph.
Drivers send GPS updates every 4s via WebSocket. Store in Redis geospatial index. Expire after 30s.