The threshold

  • Tune
  • Model 06

Difficulty 3 of 5

A fraud model scores 2,000 card payments/s. 1 payment in 200 is fraud. A missed fraud costs 120 USD; each flagged payment costs 2 USD of review. Keep the loss under 6,000 USD for the run and false alarms under 2 percent. You can change only the threshold.

Play level

HTTP/2gRPCgRPCPartner apps2,000 req/sAPI server4 vCPU · 4 GBModel (CPU)8 vCPU · 4 GBFeature sto…4 vCPU · 4 GB
HTTP/2gRPCgRPCPartner ap…2,000 req/sAPI server4 vCPU · 4 GBModel (CPU)8 vCPU · 4 GBFeature st…4 vCPU · 4 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

Budget lost
under 6,000 USD/mo
False positives
under 2%
Error rate
under 0.1%
Monthly cost
under 200 USD/mo
Traffic
2,000 req/s

Concepts

How players did

Player results load from the server.

All levels