#database-reliability

Which connection pool strategy minimizes latency while ensuring stability after database failover?

When managing database connectivity in SQLAlchemy (version 2.0+), ensuring the application recovers gracefully after a database restart or failover is critical. The Engine provides two primary mechanisms for handling stale connections: pool_pre_ping and pool_recycle . pool_pre_ping=True implements a pessimistic approach by emitting a probe query (e.g., SELEC