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What is this series about?

While a couple of high-traffic sites are being powered by Rails and while the Rails book has a handful of instructions to scale your application, it was apparent for us that you’re on your own at a certain point. This series of articles is meant to serve more as a case study as opposed to a generic “How To Scale Your Rails Application” piece of writing, which may or may not be possible to write. I’m outlining what we did to improve our applications’ performance, your mileage may obviously vary.

Our journey is broken up into 4 separate articles, each containing what a certain milestone in scaling the eins.de codebase was about. The articles are scheduled for posting a week apart from the previous.

Stage 4 is the last part of the scaling series containing last polishing steps, a summary of what helped and what didn’t, as well as a look at future optimization plans.

• The adventures of scaling, Stage 1
• Questions and answers for Stage 1
• The adventures of scaling, Stage 2
• The adventures of scaling, Stage 3

(Click the link for the steps taken in stage 4.)