Libvmod-rtstatus: realtime stats and counters for Varnish.

I'm happy to introduce a VMOD that collects metrics and stats from Varnish into a JSON file and presents it through a user interface. If you want to know how Varnish is doing and how your backends...

By Arianna Aondio 29 / 07 / 2015

Ratelimiting the varnishlog

Varnish is typically very busy, running several thousands of transactions per second. Combine this with the rather extreme...

By Per Buer 23 / 07 / 2015

Download the Varnish Book Update

It’s finally here. The latest edition of the Varnish Book for Varnish 4 and Varnish Plus. This edition is a major revision that updates the content from Varnish 3 to Varnish 4 and adds new content...

By Francisco Velazquez 22 / 07 / 2015

We're coming to Stockholm this autumn!

We are...

By Alexandra Lehner 07 / 07 / 2015

Proper sticky session load balancing in Varnish

Sometimes your web application needs to maintain state per session. This can cause problems when you are using a load balancer such as Varnish Cache. In order to mitigate this we need to make sure...

By Per Buer 01 / 07 / 2015

Meet us in Amsterdam

We are excited to announce that Varnish Software will be...

By Alexandra Lehner 25 / 06 / 2015

Introducing libvmod-bodyaccess: req.body access functions

I’ve written a Varnish module (VMOD) called libvmod-bodyaccess that lets you get access to the request body. The VMOD has a set of functions that expand the already existing function for buffering...

By Arianna Aondio 24 / 06 / 2015