Highlighted by Alex Hornbake
From Migrating from Heroku to AWS: Our Story by G Gordon Worley III
What we figured out was that Heroku had been telling us a happy lie. We were officially only getting about 2 ECUs per dyno, but the reality was that we were getting something closer to 6 since our neighbors on Heroku were not using their full share. This meant that our fleet of AWS instances was 3 times too small, and in spite of everything Heroku was actually cheaper! If only there were a way to pay less for more instances…