Level map

Boss

Three continents

DifficultyStages: 0 / 3
  1. Route users to the nearest region
  2. Read from a copy in each region
  3. Hot data over the laser link
  4. Final test

Live scores for London, New York and Singapore come from one London database. Grow it in three stages: route users, add regional copies, pick the path to Singapore.

Final testYour final board runs once more with a new traffic seed and a surprise event.

The system, stage by stageTap, drag or use arrow keys to step through the stages

Stage 3 of 3 · 15 parts given · 10,205 requests/s

Users 6API server 3Postgres 2Managed pub/sub 2Redis cache 2

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