Boot time

  • Tune
  • Scale 06

Difficulty 2 of 5

Traffic rises at 20 seconds. A new app replica takes 90 seconds to boot. Tune ready capacity and scaling controls. Keep p99 below 150 ms and errors below 0.1 percent.

Play level

HTTP/2Users500 req/sAPI server1 vCPU · 2 GB
HTTP/2Users500 req/sAPI server1 vCPU · 2 GB
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 150 ms
Error rate
under 0.1%
Monthly cost
under 50 USD/mo
Traffic
500 req/s

Concepts

How players did

Player results load from the server.

All levels