Rental Search Ranking System Design
Learn about the rental search ranking system design for Airbnb.
4. Calculation & estimation
Assumptions
- 100 million monthly active users
- On average, users book rental homes 5 times per year. Users see about 30 rentals from the search result before booking.
- There are 5 * 30 * or 15 billion observations/samples per year or 1.25 billion samples per month.
Data size
- Assume there are hundreds of features per sample. For the sake of simplicity, each row takes 500 bytes to store.
- Total data size: 500 * 1.25 *