Design Patterns · Senior · Question 67 of 75

What is a retry storm, and how is it prevented?

✓Correct answer: Retries at many layers multiply load on a struggling service; limit retries to one layer, use budgets, backoff and circuit breakers
2A UI bug with too many retry buttons
3A CI pipeline retrying flaky tests

Explanation

Three layers each retrying 3 times turn one failing request into up to 27 calls.

Further reading

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