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Episode 4Distributed SystemsFREE
WhatsApp Messaging at Scale
3:36 · Alex & Sam
WhatsAppMeta#erlang#messaging#e2e-encryption#actor-model
Show Notes
WhatsApp handles 100B messages per day with just hundreds of engineers. Sam and Alex break down Erlang's actor model, message queuing, and end-to-end encryption at scale.
Key Takeaways
- Sam and Alex break down Erlang's actor model, message queuing, and end-to-end encryption at scale.
- Core concepts covered: Erlang, Messaging, E2e Encryption, and 1 more.
- Key trade-offs and design decisions you can apply to your own system design interviews.
Read the full article
WhatsApp Messaging at 100B Messages/Day — deep dive with diagrams, tradeoffs & interview questions
Architecture Diagram