Question
How to fix Cloudflare 524 timeout occurred
524 means Cloudflare connected to origin but the response took too long.
What to do first
- Find slow URLs with timing checks.
- Inspect DB and upstream dependencies for bottlenecks.
- Move long jobs to async processing.
time curl -s -o /dev/null -w '%{http_code}\n' https://llmsfile.com/your-heavy-endpoint
top -bn1 | head -n 20
sudo journalctl -u caddy --since '30 minutes ago' --no-pager | tail -n 80