Design a Collaborative Document Editor · System Design Interview

Design a Collaborative Document EditorDesign the system behind a document that several people edit at the same time and see each other’s changes as they type.What it has to do

An edit made by one person appears for everyone else editing the document

Everyone converges on the same text, whatever order their edits arrived in

Someone who reconnects catches up on what they missed

Scale

Documents: 2 billion

Editing sessions open at peak: 4 million

Out of scope

Rich formatting

Comments and suggestions

Permissions and sharing

Editing offline for days

Practise this challengeAll system design challenges

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