1extrafact

It takes a fair amount of expertise to keep a spark cluster up and running. Maybe more people are using managed offerings like Databricks or Google Dataproc.

Yes. Horrible physics experience in high school led me to back off from a science / engineering career. Y2K opened a door back up. I was finally able to learn calculus through Coursera, which let me leverage what I knew how to do (programming) to really figure things out. It’s never too late!