It's important to keep databases (and other non-version-controlled content) regularly backed up to a remote location. By combining a little bash, Amazon's aws-cli library, and Jenkins (or cron!), we can set up fully automated daily database backups in only five lines of code!
In a previous post, Dave talked about marginal gains and how, in aggregate, they can really add up. We recently made some infrastructure improvements that I first thought would be marginal, but quickly proved to be rather significant.