Problem: Design the messaging functionality of WhatsApp.
- Similar to Designing Facebook Messenger
- One similar reference link from [[www.educative.io]], https://www.educative.io/courses/grokking-modern-system-design-interview-for-engineers-managers/system-design-whatsapp
Candidate answer
- petabyteterrabyte
- Defining the DB schema in the early stages of the interview would help to understand the data flow among various components and later would guide towards data partitioning.
- draw.io used here.
