Archive for March 2008

Agressive Timeouts On External API Calls

One of the challenges with writing a Facebook or Bebo application is staying within a limit it gives you to respond with data before it shows the Application Did Not Respond page to a user. Having a content reach application calling external APIs, like Amazon or YouTube, with response times beyond your control, forces you [...]

Reviewing Application Health with HAProxy Stats

One of the methods we use for checking the health of our applications is stats collected from HAProxy. We utilize it to see how many requests are scheduled for execution on mongrel instances. The graph is one indication of how our applications perform. When we launched the new version of the site three weeks ago, [...]

Viva LivingSocial!

You haven’t heard from us for a while because we were working on a new project – LivingSocial – the web-site that spreads across all major social networks (Facebook, Myspace, Bebo, Orkut) allowing people to talk to each other about their interests without barriers. We are going to speak more about it in a dedicated [...]