instance_type: Optional[str] = NoneInstance type for the materialization job. Must be a valid EC2 instance type as listed in
https://aws.amazon.com/ec2/instance-types/. If not specified, a value determined by the Tecton backend is used.
root_volume_size_in_gb: int = 500Size of the root volume in GB per instance for the materialization job.
If not specified, a value determined by the Tecton backend is used. Defaults to "150".