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How fast can we get at rendering a Model's database column as JSON?

In this minimal Rails app, I tried to find out.

See this card for the corresponding write-up: https://makandracards.com/makandra/622390-speed-json-rendering-rails

Setup

• bundle install
• bin/rails db:create db:migrate db:seed <-- this will generate a ~500MB sized table and thus take a while
• bin/rails server
• Navigate your browser to localhost:3000
• Run /bin/measure-endpoints to measure different JSON rendering strategies on your machine