data/test/worker_0001_progress.json

{
  "worker_index": 1,
  "worker_count": 32,
  "target_records": 7,
  "written": 7,
  "attempts": 7,
  "records_per_sec": 2.915663799212536,
  "attempts_per_sec": 2.915663799212536,
  "updated_at": "2026-04-29T05:45:57.438655"
}