data/test/worker_0002_progress.json

{
  "worker_index": 2,
  "worker_count": 32,
  "target_records": 7,
  "written": 7,
  "attempts": 27,
  "records_per_sec": 1.0791009129168625,
  "attempts_per_sec": 4.162246378393612,
  "updated_at": "2026-04-25T08:51:24.432975"
}