data-warehouse

For a retailer DW exit (~42 TB logical, 18 nightly Glue jobs), Aurora→Redshift zero-ETL retired 11 jobs and cut dashboard freshness from 6h → ~15 min — concurrency scaling on zero-ETL (March 2026) absorbed Monday open spikes.

Serverless RPUs vs Provisioned RA3 — still not automatic. July 2026 refresh: base 4–1024 RPUs, Max RPU-hours, AI-driven scaling, when RI wins.