Health checks

Scale 04
HTTP/2HTTP/2HTTP/2HTTP/2Users2,400 req/sLoad balanc…1 vCPU · 1 GBNode API2 vCPU · 2 GBNode API2 vCPU · 2 GBNode API2 vCPU · 2 GB
HTTP/2HTTP/2HTTP/2HTTP/2Users2,400 req/sLoad bala…1 vCPU · 1 GBNode API2 vCPU · 2 GBNode API2 vCPU · 2 GBNode API2 vCPU · 2 GB

Tune the parts. Turn every goal green.

Traffic
2,400 req/s · reads only
Limit
Node API answers about 2,000 req/s
Bill
  • Load balancer (L7)4 USD/mo
  • Node API × 324 USD/mo
28 of 60 USD/mo

Goals

Not tested yet

The share of requests that get a correct answer.99 of 100 requests finish faster than this.What the servers and services cost each month.

Three API nodes serve 2,400 requests/s behind a balancer. Node B fails at 0:20 and stays down for 40 s. The balancer checks every 5 s and needs 3 failed checks. Tune the check to keep availability above 99 percent.