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Distributed systems, reliability and backend engineering: what happens when things need to keep running.

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System Design · Resilience in practiceCircuit Breaker: when should you stop trying?How the Circuit Breaker stops calls to services that are already failing, its closed, open and half-open states, and how to combine it with retry.

Lucas QueirozAug 5, 2026 · 5 min read

System DesignExponential Backoff in PracticeAug 1, 2026 · 5 min

System DesignWhy can retries bring down your system?Jul 28, 2026 · 4 min

GoImplementing a Go local cache solutionFeb 17, 2026 · 3 min

Series · 3 posts

Resilience in practice

How distributed systems deal with failure, from retries to circuit breakers, and when it is time to stop insisting.

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