STACK: MySQL, RoR, Nginx, Mongrel, Monit Fun. We use: - Newrelic - Engineyard: http monitor - Hoptoad for errors - Some custom daemon scripts that fire ema

STACK: MySQL, RoR, Nginx, Mongrel, Monit Fun. We use: - Newrelic - Engineyard: http monitor - Hoptoad for errors - Some custom daemon scripts that fire emails when background processes aren't working.