Database Tuning 7 min read Aug 25, 2026

Database Connection Pooling with PgBouncer for High-Concurrency PostgreSQL

Published by ZodHost Engineering Team

Executive Summary & Key Takeaways

Scale PostgreSQL to tens of thousands of client connections using PgBouncer transaction-level connection pooling.

Eliminating PostgreSQL Connection Fork Overhead

Each native PostgreSQL connection forks an independent backend OS process. PgBouncer pools transactions, reducing connection memory footprints from hundreds of megabytes down to kilobytes.

Tags: #PgBouncer setup #PostgreSQL connection pool #reduce Postgres memory #connection scaling database #PgBouncer transaction mode

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