case2/train_rei/state.json

{
  "_data_files": [
    {
      "filename": "data-00000-of-00001.arrow"
    }
  ],
  "_fingerprint": "624127c228ac7f83",
  "_format_columns": null,
  "_format_kwargs": {},
  "_format_type": null,
  "_output_all_columns": false,
  "_split": null
}