Handy varnish tips

2009-05-25 − 🏷 cache 🏷 esi 🏷 varnish

We depend heavily on the varnish cache to run iusethis and our other sites. These tips from kristian@linpro are a must read:

ESI is cool. And requires more session workspace. If you don’t increase the value of sess_workspace (default: 16kb. Adviced value: 32kb or more), you are likely to see assert errors in your syslog.

(Hint: If you are going wtf is ESI, you really want to find out more :)