Heavy images

  • Build
  • Pixel 03

Difficulty 2 of 5

Shoppers on 20 Mbps phones open product photos, 20 views/s. Each photo is a 2.4 MB original from the bucket, but a phone screen needs about 150 KB. p99 is 1.1 s and the bill is 7,486 USD/mo. Get p99 under 400 ms within 120 USD/mo. At most 2 new parts.

Play level

HTTP/2Mobile users20 req/sObject stor…1 vCPU · 1 GB
HTTP/2Mobile users20 req/sObject stor…1 vCPU · 1 GB
The board at the start of the level
Images through one cardArrow keys change the images per second. Tap to swap the card.

100 images/s · 1,600 of 1,000 Mbps · it does not fit

Goals and limits

p99 latency
under 400 ms
Error rate
under 0.1%
Monthly cost
under 120 USD/mo
Parts you can add
CDN, Node API, Redis cache
Part limit
2
Traffic
20 req/s

Concepts

How players did

Player results load from the server.

All levels