Drift

  • Fix
  • Model 05

Difficulty 3 of 5

A model predicts which orders will ship late. It was trained once, before day 0. Over 90 days the order mix changes twice. Keep accuracy above 90 percent over the run and find each change within 3 days. You can make 3 edits.

Day 41, 09:00. Late-shipping model accuracy is 0.90 and has fallen for 26 days. No alert fired. Graph: daily accuracy.

Play level

HTTP/2gRPCgRPCPartner apps20 req/sAPI server1 vCPU · 2 GBModel (CPU)2 vCPU · 4 GBModel train…1 vCPU · 1 GBModel regis…1 vCPU · 1 GB
HTTP/2gRPCgRPCPartner apps20 req/sAPI server1 vCPU · 2 GBModel (CPU)2 vCPU · 4 GBModel train…1 vCPU · 1 GBModel regis…1 vCPU · 1 GB
The board at the start of the level
One change feed keeps serving in stepTap or press Space to change the write paths

Two write paths · 4 of 16 served features differ from training

Goals and limits

Accuracy
at least 92%
Detection time
under 259,200 s
Error rate
under 0.1%
Monthly cost
under 200 USD/mo
Edit limit
3
Traffic
20 req/s

Concepts

How players did

Player results load from the server.