Group commit window

Metal 07
SQLPartner apps4,000 req/sAPI server4 vCPU · 4 GBPostgres4 vCPU · 16 GB
HTTP/2SQLPartner apps4,000 req/sAPI server4 vCPU · 4 GBPostgres4 vCPU · 16 GB

Tune the parts. Turn every goal green.

Traffic
4,000 req/s · writes only
Limit
Postgres answers about 10,000 writes/s
Bill
  • API server16 USD/mo
  • Postgres64 USD/mo
80 of 200 USD/mo

Goals

Not tested yet

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

The ledger must commit 4,000 payments/s, and each commit is safe only after a flush to disk. One flush takes 1 ms. Keep errors under 0.1 percent and commit p99 under 15 ms. You can change only the group commit window of the ledger.

One server boardDrag or use arrow keys to change the load

280 req/s · CPU 70% · mean 22 ms