import logging import os import re import pyarrow.parquet as pq import pandas as p import glob if __name__ == '__main__': files = glob.glob("temp/*.parquet") total = 0 for f in files: tbl = pq.read_table(f, columns=[]) # lê só o metadata total += tbl.num_rows print("num_examples =", total) size_bytes = sum(os.path.getsize(f) for f in files) print("dataset_size =", size_bytes)