20 March 2018, Amazon. Project

Sized two fraud services for Prime Day from load tests, $12,344 a year saved

When the org scaled up for Prime Day, I load-tested two fraud services, set each host count from the results and cut 18 hosts.

  • Cost
  • Reliability
  • Fraud and risk

$12,344

per year saved

$6,446 + $5,898

18

hosts removed

9 per service

What would have happened

Both services would be over-provisioned for peak by habit.

The call

Benchmark first, then size.

What I did

Ran the load tests, worked out the right host count for each service and resized both fleets.

What changed

18 hosts removed and $12,344 a year saved, with capacity checked against peak traffic.

Proof

The original documents are held in my private record and can be shared on request.