System Design Mock Interview with Eugene from Tech Education

⚙️Twitter's main features include posting tweets, user following, and timeline generation.

🐦Posts on Twitter can contain various types of media, such as text, photos, and videos.

📈Timeline generation involves retrieving tweets from a database or cache and rendering them for the user's timeline.

📚User following is facilitated by a user graph service that maintains the relationships between users.

🕒To ensure scalability, Twitter utilizes components like tweet processors, asset services, and timeline processors.

What are the main features of Twitter?

—The main features of Twitter include posting tweets, user following, and timeline generation.

What types of media can be included in tweets?

—Tweets on Twitter can contain various types of media, such as text, photos, and videos.

How are user timelines generated?

—User timelines are generated by retrieving tweets from a database or cache and rendering them for the user's timeline.

How does user following work on Twitter?

—User following is facilitated by a user graph service that maintains the relationships between users.

What components are used to ensure scalability on Twitter?

—To ensure scalability, Twitter utilizes components like tweet processors, asset services, and timeline processors.

00:00In this system design mock interview, Eugene from Tech Education discusses the design and architecture of Twitter.

05:49The main features of Twitter include posting tweets, user following, and timeline generation.

11:18The API for timeline generation involves retrieving tweets from a database or cache and rendering them for the user's timeline.

19:46User following on Twitter is facilitated by a user graph service that maintains the relationships between users.

27:48To ensure scalability, Twitter utilizes components like tweet processors, asset services, and timeline processors.