Notion's Block-Based Architecture
How Notion's flexible block model enables pages, databases, and custom views. Shows tree-structured Block Storage in PostgreSQL, Real-Time WebSocket sync with operational transforms, Elasticsearch for full-text block search, hierarchical permission service, integration platform for third-party conne…
general · architecture diagram.
How Notion's flexible block model enables pages, databases, and custom views. Shows tree-structured Block Storage in PostgreSQL, Real-Time WebSocket sync with operational transforms, Elasticsearch for full-text block search, hierarchical permission service, integration platform for third-party connections, and offline-first SQLite cache for mobile/desktop.
Created by
February 9, 2026
Updated
March 13, 2026 at 7:22 PM
Type
architecture
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