Same might apply to an overloaded api / anything not serving html pages to browsers. Heroku provides log-runtime-metrics, which includes current cpu load / pen

Same might apply to an overloaded api / anything not serving html pages to browsers. Heroku provides log-runtime-metrics, which includes current cpu load / pending cpu tasks. The librato addon also shows request throughput in its dashboard UI. I'm not sure where it gets this data from. If not logging then perhaps new relic?