Uber·medium

Design Twitter for millions of users

Design a Twitter-like system that can handle millions of users posting, following, and searching in real-time, with the main challenge being feed fanout at scale for both celebrities and regular users.

Functional

▸Handle user registration and login functionality
▸Allow users to create, edit, and delete tweets
▸Implement a search function to find tweets based on keywords
▸Enable users to follow other users and view their tweets in a feed
▸Support direct messaging between users

Non-Functional

▸Handle 10,000 concurrent users with an average latency of 200ms
▸Ensure 99.99% availability with less than 5 minutes of downtime per month
▸Process 100,000 tweets per second with a maximum latency of 1 second
▸Support 1 million new user registrations per day
▸Achieve an average search query latency of 50ms

Add at least 2 components to run