workerType property

Specifies the type of virtual machine to use for your training job's worker nodes.

The supported values are the same as those described in the entry for masterType. This value must be consistent with the category of machine type that masterType uses. In other words, both must be Compute Engine machine types or both must be legacy machine types. If you use cloud_tpu for this value, see special instructions for [configuring a custom TPU machine](/ml-engine/docs/tensorflow/using-tpus#configuring_a_custom_tpu_machine). This value must be present when scaleTier is set to CUSTOM and workerCount is greater than zero.

Optional.