title: Is there anyway to auto scale-out based on schedule not policy for dataproc in GCP (google cloud platform)
body: <p>It's straight forward.
  The system i am developing will be provisioned in dataproc (google cloud platform)
  And due to some business feature about our system, we can figure expected data processed in the future.
  So, i just want to do scale-out dataproc based on it.</p>
  <p>Is there any idea to scale-out dataproc by scheduler or API implemented by our side ??</p>
  <p>Thanks in advance.</p>