Trying to Get Keep-Alives in Unicorn
Today I struggled trying to get the same keep-alive going in out production server, but because it's running Unicorn and not Thin, and Unicorn is not an event-driven server, it was a lot harder. To be fair, a lot of this had to do with the problems I was having with the deployment of software to the boxes. The Shop has a lot of progressive tools, but the deployment of packages is not among them. So there were several hours lost there.
But the real problem was figuring out how to integrate an EventMachine into the Unicorn server. Thankfully, I was able to find a simple way to do it:
Thread.new { EventMachine.run }
So simple, but so completely non-obvious.
With that, it started working and I just continued to struggle with the fact that Unicorn doesn't expose a logger like Sinatra/Thin.
These are not the easy tools that folks make them out to be.