Here are some generic tips on finding the actual cause of “Backend Fetch Failed” error shown by Varnish Cache.
Tag: Varnish
Feb 06 2020
Managing of Varnish backends
This article explains how you can manage Varnish backends from command line, check varnish backend health status and mark backends as healthy or sick without restarting or reloading Varnish.
Feb 06 2020
Varnish Backend fetch failed Too many headers
This article describes particular case of Varnish error Backend fetch failed Too many headers. This error happens when there are too many headers being sent to backend server. Here is how you can troubleshoot and fix this error.
Stay tuned! :)
