Per Buer

Per Buer

Introducing Varnish Plus

This month we’re launching Varnish Plus. The rationale behind Varnish Plus is to combine all our services and products...

404 handling in Varnish Cache

when you have lots and lots of data, it’s hard to update it in a timely manner. Sometimes all you need is a bit of time...

Using pipe in Varnish

Quite often we see people using return(pipe) in VCL and then running in to various problems. Let me give you some...

Live AB testing with Varnish and VCS

In Varnish Software, we tend to be building tools more than solutions. I like tools that are open and flexible. When we...

The essential vmods all Varnish users should know about

Approximately two years ago we released Varnish Cache 3.0. In my view the most important feature was the support for...

Advanced cache invalidation strategies

“There are only two hard things in Computer Science: cache invalidation and naming things.” -- Phil Karlton Today, I’ll...