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See also: https://www.speedshop.co/2017/10/12/appserver.html (Nate suggests a Rails app typically uses between 200 and 400 MB. How does heroku suggest you can get away with two of them in a 512MB worker then? maybe we’re not so bad, it’s just not realistic to think you can get away with a 512MB dyno).

Tried asking a question on reddit heroku, not sure how much traffic that gets. https://www.reddit.com/r/Heroku/comments/j6c2so/q_real_rails_ram_experiences/

Mon Oct 5

Heroku has a LOT of docs, usually well-written. It is pretty well googled. Some heroku overview and getting started docs:

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