Per Buer

Per Buer

Varnish Cache as a robust distribution mechanism for HLS and HDS video

We recently came across an article on the Adobe blog that covers Adobe Media Server 5 (AMS5). AMS is an Adobe software...

Switching behavior dynamically in Varnish

From time to time we see the need for Varnish to switch behavior based on an external event. Let's have a look at how...

Sub-second TTLs in Varnish Cache

Typically the backend instructs Varnish how long to cache content through the Cache-Control header. The resolution here...

The Varnishlog Query language

When providing support we often spend some time crafting varnishlog statements that will catch what we're looking for....

Varnish Cache 3.0.3

Yesterday we released Varnish Cache 3.0.3. It's been out as a release candidate for ages, well at least a couple of...

Testing the persistent storage engine

Last week I spent quite a bit of time toying with the Varnish persistent storage engine. The long term goal of the...