Home / Architecture Explorer / Discord architecture Discord architecture On the roadmap: Interview Ready · step 3: Feeds, chat and notifications
Millions of live connections, and trillions of stored messages. 8 components, 2 request walk-throughs.
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Apps CDN Gateway (Elixir) Guild processes API (Python) Data services (Rust) ScyllaDB Message search (Elasticsearch)
A simplified model based on public talks and engineering write-ups. Real systems are larger and change over time.