When your webapp is serving up content that’s expensive to generate, you may want to serve it up asynchronously- via AJAX calls. This is particularly appealing when content is “below the fold.” However when that content is cached, you want to serve it up as quickly as possible. If you’ve already calculated the content, you’d… Read More
Varnish is a high performance, flexible, open source HTTP accelerator. We started using Varnish at Redfin in our last major release, a few weeks ago. It’s pretty much invisible to our end users, but we’re so happy with it that we wanted to give the folks who made Varnish their props in public. It has… Read More
To kick off our San Francisco series of engineer-to-engineer lectures on new technologies and interesting problems in consumer software, we invited in the Great Alex Payne to talk about how Twitter uses Scala, a programming language that combines traits of object-oriented languages and functional languages with an eye toward supporting concurrency better in large-scale software…. Read More