Production n8n Architecture: Scaling Past 100,000 Tasks with Redis Queue Mode and PostgreSQL 16

<p>A single-container n8n instance running SQLite works during local development. Run that same container behind a high-volume Stripe or CRM webhook, and it crashes within weeks. Production workflows require decoupled queue execution.</p> <h3> The Single-Process Bottleneck </h3> <p>By default, n8n executes workflows inside its primary Node.js process. When an incoming webhook triggers a workflow t

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