When working on a system that was overly split into microservices, I once wrote a leftJoin stream operation for Akka, partly to demonstrate how stupid it was th

When working on a system that was overly split into microservices, I once wrote a leftJoin stream operation for Akka, partly to demonstrate how stupid it was that we had split our database apart and now needed to implement a database in our application using http calls, with 1000x worse performance.