Per Buer

Per Buer

Advanced cache invalidation strategies

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

Speculative Lock Elision in Varnish Cache

This year we’ve seen quite an interesting announcement from Intel. Their Haswell processors are now on sale. Usually we...

Q&A from the "You can cache everything" webinar

Here are the questions we got along with their answers.

Getting live statistics from Varnish with HLS/HDS

The recent years we’ve seen a surge in the use of HTTP-based transports for online video. HTTP Live Streaming (HLS),...

Withstanding DDOS attacks with Varnish and COTS hardware

Recent years denial of service attacks have become commonplace. You no longer have to create your own botnet in order...

Paywall challenges

When implementing a Paywall in an organization there are a lots of changes needed. There are editorial changes,...