Google BigQuery uses innovative techniques to manage massive amounts of metadata efficiently, treating it as crucial as the data itself. BigQuery's architecture includes Colossus for storage, Dremel for querying, and a dedicated shuffle service, all coordinated by Borg. Metadata is handled in a distributed manner using a unique columnar storage format called CMETA, improving efficiency and performance. Real-time data ensures physical query plans adapt dynamically for optimized results, while integrated metadata scans enhance query processing.
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