Summary
PgBouncer is the standard PostgreSQL connection pooler, implementing the connection pooling pattern by multiplexing many client connections onto a smaller pool of server connections.
Evidence
- ·connection_pooling lists pgbouncer first in canonical_technologies; transaction mode multiplexes thousands of clients to ~50-100 server connections (patterns/connection_pooling.yaml)
- ·pgbouncer transaction mode is the most common production mode (technologies/pgbouncer.yaml query_patterns)
Evidence grounding
Grounded, 2 supporting itemsPgBouncer is the canonical implementation of the connection-pooling pattern for PostgreSQL.