AutomationHow can I optimize the number of active workers in n8n queue mode to match my total vCPU availability?Calculate the optimal n8n worker concurrency by aligning the --concurrency flag with vCPU cores and managing the Node.js event loop to prevent CPU throttling.self-hosting
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AutomationHow can I optimize the number of active workers in n8n queue mode to match my total vCPU availability?Calculate the optimal n8n worker concurrency by aligning the --concurrency flag with vCPU cores and managing the Node.js event loop to prevent CPU throttling.
AutomationWhy does n8n return a 404 error for active webhooks?Solve n8n 404 errors on active webhooks by verifying production URLs, checking internal database tables, and correcting reverse proxy header configurations.
AutomationHow do I fix n8n queue mode with separate worker processes?Fixing n8n queue mode across separate nodes requires synchronizing the encryption key and configuring Redis to accept remote connections on a non-loopback IP address.
AutomationWhy Does n8n Fail to Load Behind an Nginx Reverse Proxy?The first check for n8n behind Nginx is the N8N_HOST environment variable and WebSocket headers. Verify these to resolve 404 errors and connection drops in workflows.