n8n Architecture & Execution Foundations

Zero-Downtime n8n Upgrades

February 6, 2026

February 6, 2026

February 6, 2026

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Table of Contents

Quick Diagnosis
1. Core Differences – What “Stateless” and “Stateful” Actually Mean in n8n?
2. When to Choose Stateless – Decision Checklist
3. When to Choose Stateful – Decision Checklist
4. Implementing a Stateless n8n Workflow – Step‑by‑Step
5. Implementing a Stateful n8n Workflow – Step‑by‑Step
- 5.1 Choose a Durable Store
- 5.2 Sample Stateful Pagination Workflow (GitHub Issues → Slack)
6. Debugging & Troubleshooting Stateless vs Stateful Issues
7. Performance Comparison – Benchmarks (Local Docker, n8n 0.230)
8. Best‑Practice Checklist for Choosing & Building the Right Model
Conclusion

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