register a dataset with the tf.data service, and another process to consume
    data from the dataset.
*   Adds support for dispatcher fault tolerance. To enable fault tolerance,
    configure a `work_dir` when running your dispatcher server and set
    `dispatcher_fault_tolerance=True`. The dispatcher will store its state to

                          type: integer
                      required:
                      - status
                      type: object
                    fault:
                      description: Fault injection policy to apply on HTTP traffic
                        at the client side.
                      properties:
                        abort: