Live scores

  • Build
  • Wire 16

Difficulty 3 of 5

One goal update each second must reach 200,000 viewers. The broker publishes once, but every viewer needs delivery work. Add gateways and keep goal p99 below one second.

Play level

AMQPWebSocketUsers1 req/sManaged pub…1 vCPU · 2 GBWebSocket g…32 vCPU · 8 GB
AMQPWebSocketUsers1 req/sManaged pub…1 vCPU · 2 GBWebSocket g…32 vCPU · 8 GB
The board at the start of the level
A queue between two speedsDrag or use arrow keys to change the workers

4 workers · 3 jobs waiting · wait 33 ms

Goals and limits

p99 latency
under 1 s
Error rate
under 0.1%
Monthly cost
under 600 USD/mo
Parts you can add
WebSocket gateway
Part limit
16
Traffic
1 req/s

Concepts

How players did

Player results load from the server.

All levels