data/test/worker_0002_progress.json

{
  "worker_index": 2,
  "worker_count": 32,
  "target_records": 7,
  "written": 7,
  "attempts": 9,
  "records_per_sec": 3.0253807315825085,
  "attempts_per_sec": 3.889775226320368,
  "updated_at": "2026-04-29T05:45:57.649990"
}