Design a Photo Sharing Service · System Design Interview

Design a Photo Sharing ServiceDesign a service where people upload photos, organise them into albums, and share them with friends by link or by name.What it has to do

Upload a photo and have it available in several sizes

Organise photos into albums and share an album with chosen people

View a photo or an album quickly from anywhere

Scale

Photos uploaded per day: 50 million

Registered users: 500 million

Out of scope

A social feed and recommendations

Face recognition and tagging

Printing and ordering prints

Editing photos in the browser

Practise this challengeAll system design challenges

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