The Fastest Way to Generate a Heap Dump on Heroku

You’ve got an app with runaway memory use, what do you do hotshot? What do you do? If you’ve exausted the usual suspects it might be time to take drastic steps. It might be time to take a production heap dump. I previously wrote about doing this on Heroku, but since then we’ve launched Heroku exec, a way to SSH into a live running Dyno to allow you to debug.