Two boxes

  • Build
  • Level 4 of 41
  • Signal

Difficulty 1 of 5

Two 2-vCPU boxes are available. Serve 6,500 requests/s with p99 below 200 ms. Keep the bill at or below 32 USD per month.

Play level

VPS · 2 vCPU · 8 GB16 USD/moVPS · 2 vCPU · 8 GB16 USD/moSQLUsers6,500 req/sAPI server2 vCPU · 1 GBPostgres2 vCPU · 2 GB
VPS16 USD/moVPS16 USD/moSQLUsers6,500 req/sAPI serverPostgres
The board at the start of the level
One server boardDrag or use arrow keys to change the load

280 req/s · CPU 70% · mean 22 ms

Goals and limits

p99 latency
under 200 ms
Monthly cost
under 32 USD/mo
Parts you can add
API server, Postgres
Part limit
2
Hosts
2 × 2 vCPU · 8 GB
Traffic
6,500 req/s

Concepts

How players did

Player results load from the server.

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