Reservation Utilization Report

Bigquery estimated cost calculated using total_slots_ms is very bigquery slot reservation Via BigQuery Reservations, slots can be shared among the organization A BigQuery slot is a virtual CPU used by BigQuery to execute SQL bigquery slot reservation A reservation is a mechanism used to guarantee BigQuery slots to users To get more information about Reservation, see: API documentation; How-to Guides

bigquery slot pricing  All Slot-milliseconds the job spent in the given reservation