Engineering Manager System Design Interview (Wealthfront EM): Design YouTube

Feb. 21, 2022

Here is the link.

Youtube like system

5:01 - First 5 minutes to talk about requirement 

Functional requirements

1. upload videos from multiple devices
2. viewing experience should be device agnostic

Non-functional requirements

1. high availability 
2. eventual consistency
3. low latency

user id, title, description, timestamp etc. 

• client
• video upload service
• transcoding queue
• Blob
• dB

Sharding ideas 

1. shard videos by users, creators, people follow certain channels - make query easy for them