pg_clickhouse 0.10 Accelerates TPC-H Analytics by 1000x
TL;DR. The pg_clickhouse v0.10 update significantly improves query performance for analytic workloads, boosting TPC-H benchmark results. - The update allows 16 of 22 TPC-H queries to fully push down, up from 12 in the previous version. - Correlated subqueries, like TPC-H Q17, now execute up to 1000 times faster than before. - The release includes a rebuilt C driver and expanded support for aggregate functions and pushdowns.
- pg_clickhouse v0.10 increases TPC-H query pushdown from 12 to 16 out of 22.
- Performance gains for certain queries reach 1000x, particularly with correlated subqueries.
- A new C driver and broader aggregate function support enhance the platform.
- Six TPC-H queries remain unpushed, highlighting future development areas.