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Personal Knowledge Management at Scale — Analyzing 8,000 Notes and 64,000 Links

A deep dive into the technical implementation and analysis of my Personal Knowledge Management system containing 8,000 notes and 64,000 links, exploring its architecture, key principles, automation and impact.

Sébastien Dubois
Personal Knowledge Management Journal
14 min readFeb 5, 2025

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I’ve been managing my entire knowledge base in Obsidian for the past 3+ years. Today, I’d like to share insights from analyzing nearly 8,000 notes containing 2.8M words (equivalent to ~32 books!), interconnected by over 64,000 internal links. My goal is also to explain why my system scales.

Introduction

The journey to build this system started with a simple goal: create a reliable “second brain” that could scale with my own needs. Like many developers, I initially underestimated the technical challenges of managing large amounts of interconnected knowledge. What began as a collection of Markdown files evolved into a sophisticated system that now powers my content creation, research, and business decisions.

The thing is that I always wanted to have a single source of truth for all my content and ideas. But it took me a long while to get there. My system has grown a lot in the last few…

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Published in Personal Knowledge Management Journal

This publication is dedicated to Personal Knowledge Management and lifelong learners. Discover Personal Knowledge Management (PKM), Tools For Thought, Zettelkasten and more!

Written by Sébastien Dubois

PKM Systems Architect Helping Knowledge Workers save 10+ hours/week 1K+ Happy customers ❤️ 🚀 https://developassion.gumroad.com 💌 https://dSebastien.net

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