Specifies the algorithm used to determine the number of
worker processes to run at any given point in time, based on the
amount of data left to process, the number of workers, and how
quickly existing workers are processing data.
Values:
AUTOSCALING_ALGORITHM_UNKNOWN (0):
The algorithm is unknown, or unspecified.
AUTOSCALING_ALGORITHM_NONE (1):
Disable autoscaling.
AUTOSCALING_ALGORITHM_BASIC (2):
Increase worker count over time to reduce job
execution time.
