data/test/worker_0003_progress.json

{
  "worker_index": 3,
  "worker_count": 32,
  "target_records": 7,
  "written": 7,
  "attempts": 18,
  "records_per_sec": 1.423715466079545,
  "attempts_per_sec": 3.660982627061687,
  "updated_at": "2026-04-25T08:51:22.811970"
}