Circuit Breaker

Lesson in the Backend Developer Roadmap · Stage 23: Building For Scale

Last updated 14 September 2026

What is Circuit Breaker?

Circuit breaker pattern protects systems from failures by temporarily stopping operations when overloaded. Has three states: closed (normal), open (stopped operations), and half-open (testing recovery). Prevents cascading failures in distributed systems.

Study this in the interactive course See the whole Backend roadmap

Free resources to learn Circuit Breaker

Official docsCircuit Breaker - Azure Architecture Patterns
Open sourceResilience4j - Circuit Breaker Library for Java
ArticleThe Circuit Breaker Pattern
VideoWhat is the Circuit Breaker Pattern?

Circuit Breaker: common questions

Can I learn Circuit Breaker in Hindi?

This lesson is written in English. Once you sign in, open it in the interactive course and ask the AI tutor to explain Circuit Breaker in Hindi or Hinglish. The tutor answers from this lesson’s own text, so it stays on the syllabus, and it runs on your own Google, OpenAI or Anthropic key.

Is this Circuit Breaker tutorial for beginners?

It is lesson 144 of 155 in the free Backend roadmap, in stage 23, Building For Scale. If you are new to Backend, start from stage 1 and come back here in order; if you already know the earlier stages, this lesson stands on its own.