512 MB

  • Build
  • Signal 19

Difficulty 4 of 5

Serve a read-heavy blog on one 1-vCPU host with 512 MB of RAM. Keep p99 below 100 ms and errors below 0.1 percent. No extra host is allowed.

Play level

VPS · 1 vCPU · 0.5 GB6 USD/moUsers500 req/s
VPS6 USD/moUsers500 req/s
The board at the start of the level
A faster runtime needs fewer hostsArrow keys change the load. Tap or Space changes the runtime

1,500 req/s · Node API · 3 hosts · 18 USD/mo

Goals and limits

p99 latency
under 100 ms
Error rate
under 0.1%
Monthly cost
under 10 USD/mo
Parts you can add
API server, Node API, SQLite, Local cache
Part limit
3
Hosts
1 vCPU · 0.5 GB
Traffic
500 req/s

Concepts

How players did

Player results load from the server.

All levels