Sync or async copy

Level 29 of 41
Users500 req/sUsers100 req/sPostgres1 vCPU · 2 GB × 3
Users500 req/sUsers100 req/sPostgres1 vCPU · 2 GB × 3

Turn every goal green.

Traffic
Writes500 req/s · writes onlyReads100 req/s · reads only
Limit
Postgres answers about 7,500 writes/s
Bill
  • Postgres24 USD/mo
24 of 40 USD/mo

Goals

Not tested yet

Saved data that was lost later.The share of requests that get a correct answer.The share of requests that get a correct answer.99 of 100 requests finish faster than this.How busy the busiest CPU is. Keep room for spikes.What the servers and services cost each month.

Connect both clients. Followers apply writes after 100 ms. At 0:40, the primary fails for 1 s. Lose no acknowledged write. Serve all reads and 98 percent of writes.