def Initialize(self):
    super(ResultsOutputCollection, self).Initialize()
    if "w" in self.mode and self.fd.size == 0:
      # We want bigger chunks as we usually expect large number of results.
      self.fd.SetChunksize(1024 * 1024)
dataset/ETHPy150Open google/grr/grr/lib/aff4_objects/collects.py/ResultsOutputCollection.Initialize/original