data/test/worker_0007_progress.json

{
  "worker_index": 7,
  "worker_count": 32,
  "target_records": 32,
  "written": 32,
  "attempts": 54,
  "records_per_sec": 1.980591205710397,
  "attempts_per_sec": 3.342247659636295,
  "updated_at": "2026-05-03T00:06:34.017000"
}