Don’t optimize prematurely - but have a plan how you’re going to do it.With the services I write, a lot of the code may be clear, simple andreadable over actually optimizing for speed. Sometimes, the differencebetween that code, and the optimized code, is a short refactor.

One of the services I write, is a comments service for the Sloveniannational TV & Radio station, RTV Slovenia. On a typical day, the ElasticAPM transactions end up being something like this:

What this tells us, that w...