data/test/worker_0004_progress.json

{
  "worker_index": 4,
  "worker_count": 32,
  "target_records": 7,
  "written": 7,
  "attempts": 12,
  "records_per_sec": 2.0546959640586535,
  "attempts_per_sec": 3.522335938386263,
  "updated_at": "2026-04-29T03:16:15.712489"
}