New field

  • Fix
  • Flow 11

Difficulty 3 of 5

Order events go from checkout through a parse step and a revenue step into the warehouse, 2,000 events/s. At 0:20 the checkout team starts to send a new coupon field in each event. From then on, every event fails. Keep errors under 0.1 percent and p99 under 8 s. 3 edits.

00:21. Revenue dashboard flat since 0:20. Order events fail in the pipeline. Graph: event errors jump from 0 to 2,000/s.

Play level

HTTP/2HTTP/2HTTP/2Partner apps2,000 req/sStream proc…2 vCPU · 4 GBStream proc…2 vCPU · 4 GBAnalytics DB2 vCPU · 8 GB
HTTP/2HTTP/2HTTP/2Partner ap…2,000 req/sStream pro…2 vCPU · 4 GBStream pro…2 vCPU · 4 GBAnalytics…2 vCPU · 8 GB
The board at the start of the level
Tables join, documents copyTap or press Space to switch between tables and documents

Tables · a read touches 3 places in 0.5 ms · a shared change writes 1 place

Goals and limits

Error rate
under 0.1%
p99 latency
under 8 s
Monthly cost
under 80 USD/mo
Edit limit
3
Traffic
2,000 req/s

Concepts

How players did

Player results load from the server.

All levels