After upgrading to 4, I discovered that my old Varnish 3 top and log commands no longer worked and found it difficult to find a list of Varnish 4 top and examples. Varnish log Below are some Varnish 4 top and log commands that I use often and have found useful. View the top requested backend URLs sudo varnishtop -i BereqURL View the top IP addresses sudo varnishtop -i ReqStart View the top X-Forwarded-For IP addresses sudo varnishtop -C -I ReqHeader:X-Forwarded-For View the top User Agents sudo varnishtop -C -I ReqHeader:User-Agent View requests for a particular host varnishlog -q “BereqHeader ~ ‘^Host: example.com’” View requests for a specific URL varnishlog -q “ReqURL ~ ‘/my/path/’”
