bigquery slots
Google BigQuery Pricing Explained | BigQuery Cost ...
Google introduced flex slots pricing for BigQuery. Read about this new pricing model, how to programmatically get slots & assign them to your project.
How do I know the number of slots used by Bigquery query?
Assignments of type ML_EXTERNAL are an exception in that slots used by BigQuery ML external model creation jobs are not preemptible.
BigQuery Pricing: Considerations & Strategies
This pricing scheme is ideal for clients who mostly run ad-hoc or non-critical workloads because BigQuery processes queries in terms of “slots.” A slot is a measure of processing capacity.