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.

12m read timeFrom blog.det.life
Post cover image
Table of contents
Metadata structureColumnar MetadataQuery processingIncremental Generation

Sort: