评测托管数据库（TPC-C）

# aliyun-rds-postgres.yaml
target:
  mode: runtime
  dbtype: postgres
  endpoint: "pgm-xxxxxxxx.pg.rds.aliyuncs.com:5432"
  credentials_ref: env:BENCHBASE_DB_PASSWORD
params:
  scalefactor: 100        # warehouse 数——按实例规格定
  terminals: 32           # 并发终端数
  time: 300               # 测量窗口,秒

export BENCHBASE_DB_USER=bench BENCHBASE_DB_PASSWORD=...
csbench doctor --domain transactional-db --platform jdbc-endpoint --config aliyun-rds-postgres.yaml
csbench run --domain transactional-db --benchmark tpc-c --platform jdbc-endpoint \
  --config aliyun-rds-postgres.yaml --repeat 3 --warmup 1

{
  "currency": "USD",
  "prices": [],
  "system_prices": [
    {"perf_metric": "tpc-c.throughput_req_per_sec", "price": 1250.0,
     "basis": "monthly list price", "provider": "aliyun", "source": "console quote"}
  ]
}