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Connection Pooling

Growingest.Started 2 Sept 20261 min read#engineering #system-design

Inspired by Design a Distributed Rate Limiter w/ a Ex-Meta Staff Engineer: System Design Breakdown

Where it sits: Scaling the DB

Connection pooling allows avoiding TCP handshake overhead.
Keep some connections ahead

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Design a Distributed Rate Limiter w/ a Ex-Meta Staff Engineer: System Design Breakdown inspired this note

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Adding a dependency to a service adds network overheadGrowing
Server operation time + network overhead. For example, Redis operations are quite fast (couple of ms), there will always be network overhead.