n8n
n8n S3 Binary Data Storage: Complete Tutorial (AWS, R2, Queue Mode, Lifecycle Rules)
Move n8n binary data off RAM and disk into Amazon S3. Setup with S3-compatible R2 config, queue-mode worker sync, lifecycle pruning, and the 2.6.4 region fix.
Queue-Mode
n8n
n8n AI Agent Race Conditions: 3 Atomic Claiming Patterns
Prevent double bookings from concurrent n8n AI agents: atomic claim with INSERT ON CONFLICT, a pending/done two-phase, and re-read state before writes.
n8n
n8n Queue Mode Scaling Tutorial: Run Worker Processes with Redis (2026)
Run n8n in queue mode: a main instance plus Redis-backed worker processes for parallel executions. Docker Compose setup guide, verified on n8n 2.41.4.
n8n
n8n Docker Compose Setup: Self-Hosting with Postgres and Queue Mode (2026)
Set up n8n with Docker Compose, Postgres, and queue mode with Redis workers. Complete compose file, .env template, safe upgrades, backups, and five real fixes.