Is Drupal fast enough for the big commerce? - building Single Page App on Drupal's backoffice (AngularJS, PhantomJS, Solr, Redis)

Overview of the Single Page App http://godetilbud.aftenposten.no/ build on the top of previously working full-stack Drupal project. Frontend works on AngularJS, data provided by Solr. SEO support on PhantomJS, big number statistic counter build on Redis. We'll talk about the challenges, decisions and the post-launch lessons learned from this project. You can expect that we'll spend 20% of the presentation time on the business aspects and 80% on the technical stuff (when you count the matter of architecture in).