Connection Pooling

7 pages in this section.

Why a PostgreSQL connection is a real, expensive resource, how pooling multiplexes clients onto fewer server backends, and the mental model behind choosing a pool mode and sizing it correctly.

Explainer Connection Pooling Pgbouncer Concurrency

Pooling Basics

Understand connection pooling basics for PostgreSQL. Learn why max_connections isn't more capacity and how PgBouncer multiplexes clients.

Sql Connection Pooling Workload Basics Pooling

PgBouncer Modes

Learn PgBouncer's pool_mode options: session, transaction, and statement. Understand when to use each for optimal compatibility or connection density.

Sql Connection Pooling Workload Pgbouncer Modes

Prepared Statements & Pooling

Sql Connection Pooling Workload Advanced Prepared

Role & Timeout per Pool

Sql Connection Pooling Workload Advanced Role

Pooling Best Practices

Optimize PostgreSQL connection pooling with PgBouncer. Learn to size pools by CPU cores and query latency, configure transaction mode, and set timeouts.

Sql Connection Pooling Workload Best Practices List

Connection Pooling Highlights Summary

A single-page roundup of every highlight bullet from the 6 pages in the Connection Pooling section, grouped by source page so you can scan all 35 takeaways without opening each article individually.

Highlights Summary Connection Pooling Workload

Connection Pooling

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Connection Pooling