@ConfigSync()
  def SetDiagnoseDataCollectorFilename(self, fn):
    self._ConfigData().cluster.diagnose_data_collector_filename = fn
    self._ConfigData().cluster.serial_no += 1
:return: redis key for this cluster statistic
dataset/ETHPy150Open ganeti/ganeti/lib/config/__init__.py/ConfigWriter.SetDiagnoseDataCollectorFilename--crossover with--dataset/ETHPy150Open Koed00/django-q/django_q/status.py/Stat.key