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You should definitely write an article with all tricks you used to make it fast!

Thanks. I bought your book since the B1.0 version and I recommend it.

Author here. Thanks to all commenters for sharing their experiences and constructive opinions. It shows that this post is incomplete and far from being perfect. So, I just wrote a …

Thanks !

If that may interest someone and to do some self promotion too :-) I have built a product (rails app monitoring service) that shows the file:line for each SQL request: https://rorv…

I used them once, it's a good service. I prefer Scalingo over Heroku because there is no virtualisation layer.

2 simple lines in /etc/ssh/sshd_config fix the problem: PermitRootLogin no PasswordAuthentication no

I built it for myself to monitor my rails apps. I am aware several tools already exist, but not the one I was looking for. I wanted a simple tool to pinpoint the slow SQL queries i…