Cianplan

Level 6: Applied: cases, FDE scenarios, mocks · L6.2 Classic cases II

Ride sharing

Design geospatial indexing and driver matching.

15 min · Pro

What you take away

  • Location writes are 250,000/s against 116 trip requests/s — the workload is three orders of magnitude lopsided, and the design follows the writes.

And 3 more inside the class, in Pro.

How the class is laid out

  1. The prompt
  2. Requirements and the numbers
  3. The design
  4. Three decisions
  5. The twist
  6. Check your understanding