Varnish configuration

Dec 10, 2011

RHEL/CentOS

Daemon configuration: /etc/sysconfig/varnish
Cache configuration: /etc/varnish/default.vcl

Debugging the configuration

Test the VCL:
/usr/sbin/varnishd -d -f /etc/varnish/default.vcl
Trace the client and backend connections:
varnishlog
- Communication between Varnish and the client is marked with "c".
- Communication between Varnish and the backend is marked with "b".

Comments

Former user (Deleted)

Oct 14, 2009

I've found using "varnishlog -c -o ReqStart 123.123.123" (where 123.123.123 is your workstation IP address) is very helpful in filtering the firehose of information from varnishlog down to something where you can see the traffic for a particular client-server conversation.