LESSON 4.2

Timeouts, retries, and circuit breakers

04:14·7,134 learners

Tomas Berg

In this lesson you will

Set timeouts on every outbound call
Break the circuit when a dependency is clearly down
Degrade gracefully instead of cascading

A dependency that hangs is worse than one that fails. Timeouts convert hanging into failing, and circuit breakers stop failure spreading.

What this lesson covers

Set timeouts on every outbound call
Break the circuit when a dependency is clearly down
Degrade gracefully instead of cascading

This lesson sits in Reliability and Operations, part of System Design Foundations. It assumes what came before it and leads directly into the next lesson in the module.

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4.3 · Capacity estimation

08:32

System Design Foundations

83%

4.1 Observability: logs, metrics, traces08:09 4.2 Timeouts, retries, and circuit breakers04:14 4.3 Capacity estimation08:32

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