Retry budget

  • Tune
  • Guard 02

Difficulty 2 of 5

At 0:02, the request link fails for 0.4 seconds. Clients send 1,000 reads/s for 10 seconds. Tune retries and backoff. Finish at least 99.9 percent of requests, keep p99 below 1.5 seconds, and keep peak CPU below 80 percent.

Play level

HTTP/2Users1,000 req/sAPI server4 vCPU · 4 GB
HTTP/2Users1,000 req/sAPI server4 vCPU · 4 GB
The board at the start of the level
A retry stormArrow keys change the retries. Tap to turn jitter on or off.

3 retries per call · no jitter · peak 6.0× normal load

Goals and limits

Error rate
under 0.1%
p99 latency
under 1.5 s
CPU use
under 80%
Monthly cost
under 20 USD/mo
Edit limit
3
Traffic
1,000 req/s

Concepts

How players did

Player results load from the server.

All levels