Spread across racks

Level 25 of 41
Data centerZone RackDedicated45 USD/moDedicated45 USD/moZone RackDedicated45 USD/moDedicated45 USD/moZone RackDedicated45 USD/moHTTP/2HTTP/2Users80,000 req/sLoad balanc…1 vCPU · 1 GBKey-value s…2 vCPU · 6 GBKey-value s…2 vCPU · 6 GBKey-value s…2 vCPU · 6 GB
Data centerZone Rack45 USD/mo45 USD/moZone Rack45 USD/mo45 USD/moZone Rack45 USD/moHTTP/2UsersLoad…Key-v…Key-v…Key-v…

Turn every goal green.

Traffic
80,000 req/s · reads only
Limit
Key-value store answers about 60,000 reads/s
Bill
  • Dedicated 2 vCPU · 8 GB × 5225 USD/mo
  • Load balancer (L4)4 USD/mo
229 of 260 USD/mo

Goals

Not tested yet

99 of 100 requests finish faster than this.The share of requests that fail or get no answer.What the servers and services cost each month.

Three database replicas serve 80,000 lookups/s, and the load needs two. The rack 2 switch fails at 0:20 and power feed A at 0:40. Keep p99 under 50 ms and errors under 1 percent.

Failure domains on the floorTap for the next fault. Arrow keys move the replicas.

Two rows · 3 of 3 replicas up · load served