A quick post to let you know that as part of the weekly maintenance we ran today, we also rolled out a new architecture with a reverse proxy. Nothing to be afraid of, this is just a really cool trick to reduce the load on a server by letting a lightweight server (nginx) deal with static content, and only using Apache for the PHP heavy-lifting.
The performance improvement on a per page load is noticeable, but the major impact in on our average server load. However, this may break stuff if we serve the wrong files with the wrong server. So, we count on you to tell us if you spot anything weird while using the service in the coming days.
This new step is part of our 'scaling' plan that we started in January when we had our first performances issues. We will continue executing on this plan on a 'as needed' basis.
Cheers,
-Laurent



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