BigLake tables for Apache Iceberg in BigQuery perform automatic table management. This includes compaction, clustering, garbage collection, and BigQuery metadata generation and refresh to optimize query performance and reduce storage costs. Compute resource usage for BigLake table management is billed in Data Compute Units (DCU) over time. Though the table below shows pricing in hourly and monthly rates, your usage is billed in per second increments. For example, a table management job consuming 1 DCU over 360 seconds, will consume 0.1 DCU-hour.