{
  "name": "PostgreSQL okuma yükü",
  "scenarios": [
    {
      "name": "okuma",
      "executor": { "type": "ramping-vus", "startVUs": 0,
        "stages": [ { "duration": "1m", "target": 30 }, { "duration": "5m", "target": 30 }, { "duration": "30s", "target": 0 } ] },
      "steps": [
        { "id": "order", "name": "Sipariş getir", "protocol": "sql", "connection": "orders-db",
          "sql": { "query": "SELECT id, status, total FROM orders WHERE id = $1", "params": ["{{$randInt 1 100000}}"] },
          "checks": [ { "type": "rowCount", "op": "lte", "value": 1 } ] },
        { "id": "report", "name": "Günlük özet", "protocol": "sql", "connection": "orders-db",
          "sql": { "query": "SELECT date_trunc('hour', created_at) AS h, count(*) FROM orders WHERE created_at > now() - interval '1 day' GROUP BY 1 ORDER BY 1" },
          "thinkTime": { "min": "500ms", "max": "1s" } }
      ]
    }
  ],
  "thresholds": [
    { "metric": "req_duration", "filter": { "step": "order" }, "expr": "p(95)<20" },
    { "metric": "req_duration", "filter": { "step": "report" }, "expr": "p(95)<300" },
    { "metric": "req_failed", "expr": "rate<0.001" }
  ]
}