data/test/worker_0002_progress.json

{
  "worker_index": 2,
  "worker_count": 32,
  "target_records": 7,
  "written": 7,
  "attempts": 11,
  "records_per_sec": 2.068254641612341,
  "attempts_per_sec": 3.250114436819393,
  "updated_at": "2026-04-29T03:16:15.803362"
}