ClickHouse Blog company blog

We scaled PgBouncer to 4x throughput

by @ClickHouseDB clickhouse.com published 2026-07-01

PgBouncer is single-threaded, so a single process caps out at one CPU core no matter the box size. See how ClickHouse Managed Postgres runs a peered fleet of PgBouncer processes with so_reuseport to scale pooling across every core — with benchmarks showin

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Databases & DataInfrastructure & DevOps2026

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