"Scalability! but at what COST?" Is a very good example on how frustrating it can be. We are throwing a lot of resources against a problem because we are not a

"Scalability! but at what COST?" Is a very good example on how frustrating it can be. We are throwing a lot of resources against a problem because we are not able to educate people good enough to understand basic performance optimizations. You are a Data Scientist/anyone else and you don't understand your tooling? You are doing your job wrong.