Home / Architecture Explorer / Notion architecture Notion architecture On the roadmap: Staff Engineer · step 4: Real-time at scale
Everything is a block, sharded by workspace. 9 components, 2 request walk-throughs.
0 of 2 requests followed
Press enter or space to select a node. You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
Click any component on the map to see what it does and how it connects. Or switch to Follow a request for a guided walk through one real journey.
All components
Apps and web API Page and block service PostgreSQL shards Redis Real-time updates Change stream Data lake Search
A simplified model based on public talks and engineering write-ups. Real systems are larger and change over time.