How we scaled raw GROUP BY to 100 B+ rows in under a second

T1Covered by 1 source · first reported by Databricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale at 29 Sept 2025, 00:00 UTC

ClickHouse Cloud now scales analytical queries with parallel replicas, fanning a single query across thousands of cores for terabyte-per-second throughput. This post dives into the internals and lets you see and feel the speed.

Sources

• T1How we scaled raw GROUP BY to 100 B+ rows in under a secondDatabricks / ClickHouse / DuckDB / Supabase / Neon / PlanetScale29 Sept 2025, 00:00