---
title: "I Replaced Vector DBs with Google’s Memory Agent Pattern for my notes in Obsidian"
url: https://daily.dev/posts/i-replaced-vector-dbs-with-google-s-memory-agent-pattern-for-my-notes-in-obsidian-nfi4qzoyp
source_url: https://towardsdatascience.com/i-replaced-vector-dbs-with-googles-memory-agent-pattern-for-my-notes-in-obsidian/
type: article
source: "Towards Data Science"
published: 2026-04-03T12:33:01.897Z
updated: 2026-04-03T12:33:35.150Z
tags: ["vector-search", "sqlite"]
reading_time: 13
upvotes: 0
comments: 0
language: en
---

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# I Replaced Vector DBs with Google’s Memory Agent Pattern for my notes in Obsidian

**[Towards Data Science](https://daily.dev/sources/tds)** · 13 min read · 0 upvotes · 0 comments

## Summary

A practical implementation of Google's always-on-memory agent pattern adapted for Obsidian notes, replacing vector databases with SQLite and direct LLM reasoning. Using Claude Haiku 4.5's 250K context window, the system stores structured memory records (~300 tokens each) allowing ~650 memories to fit directly in context. Three agents handle the workflow: IngestAgent extracts structured metadata from raw text, ConsolidateAgent finds cross-cutting patterns across memories, and QueryAgent synthesizes answers from both raw memories and consolidation insights. The system includes file watching for automatic Obsidian vault ingestion, supports text/images/PDFs, and integrates with Claude Code and Kiro-CLI. The core argument is that vector databases are retrieval optimizations for large-scale problems — at personal note scale, large context windows make them unnecessary overhead.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://towardsdatascience.com/i-replaced-vector-dbs-with-googles-memory-agent-pattern-for-my-notes-in-obsidian/>

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---

Tags: [#vector-search](https://daily.dev/tags/vector-search), [#sqlite](https://daily.dev/tags/sqlite)

[View this post on daily.dev](https://daily.dev/posts/i-replaced-vector-dbs-with-google-s-memory-agent-pattern-for-my-notes-in-obsidian-nfi4qzoyp)