data/test/worker_0008_progress.json

{
  "worker_index": 8,
  "worker_count": 32,
  "target_records": 31,
  "written": 31,
  "attempts": 43,
  "records_per_sec": 2.706792535936138,
  "attempts_per_sec": 3.7545831950081916,
  "updated_at": "2026-05-03T00:06:29.448146"
}