Tim Bray has a wonderful interview with Casey Forbes, creator of Ravelry, a Ruby on Rails site supporting a 400,000+ strong community of dedicated knitters and crocheters. Casey and his small team have done great things with Ravelry. It is a very focused site that provides a lot of value for users. And users absolutely adore the site. That's obvious from their enthusiastic comments and rocket fast
![How Ravelry Scales to 10 Million Requests Using Rails - High Scalability -](https://cdn-ak-scissors.b.st-hatena.com/image/square/6d76e896b0ab6ca870e2c682860be6fffbc4e015/height=288;version=1;width=512/https%3A%2F%2Fstatic.ghost.org%2Fv5.0.0%2Fimages%2Fpublication-cover.jpg)