---
title: 'Hermes state.db, 58% smaller: the compact FTS layout migration'
url: 'https://docs.agenteum.top/blog/2026-09-18-hermes-state-db-storage-58-percent'
markdown: 'https://docs.agenteum.top/blog/2026-09-18-hermes-state-db-storage-58-percent.md'
date: '2026-09-18'
description: 'state.db grew to 513 MB mostly from duplicated FTS5 search indexes. The compact v23 layout migration reclaimed 295.8 MB (58%) in one command.'
taxonomy:
  category:
    - tech
  tag:
    - sqlite
    - database
    - ai-agents
  archives_month:
    - sep_2026
  archives_year:
    - '2026'
---

# Hermes state.db, 58% smaller: the compact FTS layout migration

---

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