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Production Best Practices

Connection Pooling

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Connection Pooling

Connection Pooling

Why Connection Pooling?

  • Database connections are expensive to create
  • Each connection uses server memory
  • PostgreSQL has a max_connections limit
  • Connection pooling reuses connections

SQLAlchemy Built-in Pooling

python

Pool Events

python

Pool Status

python

External Connection Poolers

For high-scale applications, use external poolers:

bash
python