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Idempotency, retries & failure handlingMediumSDE-2

Your product page service calls reviews, pricing and recommendations. Recommendations becomes slow, and suddenly product pages fail completely. Why, and how do you design against it?

Asked at
AmazonFlipkartMyntraNetflix

Think first

Answer out loud as you would in the room — clarify, give numbers, name the trade-off — then compare with the model answer.

Go deeper

Design an e-commerce platform (Amazon / Flipkart) Lesson: Concurrency, backpressure and load shedding

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