Endless feed

Pixel 07
HTTP/2SQLMobile users4,000 req/sNode API8 vCPU · 8 GBPostgres2 vCPU · 8 GB
HTTP/2SQLMobile users4,000 req/sNode API8 vCPU · 8 GBPostgres2 vCPU · 8 GB

Turn every goal green.

Traffic
4,000 req/s · reads only
Limit
Node API answers about 8,000 req/s
Bill
  • Node API32 USD/mo
  • Postgres32 USD/mo
64 of 140 USD/mo

Goals

Not tested yet

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

Readers scroll the newest listings, 4,000 pages/s of 20 items. Sellers add 3 listings/s at the top, and a reader stays about 4 s on each page. Pages time out, and readers see the same listing twice. Keep p99 under 150 ms, errors under 0.1 percent and 0 repeated items.

An index against a full scanTap to add or remove the index

Index · 4 pages read per query · disk writes per insert: 2

Parts you can add: Redis cache, Postgres. At most 2 parts. Budget: 140 USD/mo.

Tap a part to add it, or drag it onto a trace.Click a part to add it, or drag it onto a trace.