Design Amazon Product Image Delivery · System Design Interview

Design Amazon Product Image DeliveryDesign how a shop the size of Amazon serves its product photographs: one uploaded picture, dozens of sizes and formats, on every product page and search result in the world. Delivery, caching and storage cost are the whole exercise.What it has to do

A page asks for an image at the size and format it needs, and gets it

One uploaded photograph serves every size, crop and format the site uses

Replacing a product photograph takes effect for shoppers

Scale

Images stored: 20 billion

Image requests per day: 100 billion

Out of scope

The product catalogue itself

Seller upload and moderation

Video

Search and recommendations

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