“For a decade, the dominant Silicon Valley mantra has been: monoliths don’t scale; microservices do. Netflix itself helped popularize this philosophy. Its migration from a monolithic Java app to a sprawling microservices ecosystem became the canonical case study taught at conferences and in blog posts worldwide.

But here’s the twist: buried in the operational reality of running one of the most complex streaming platforms on Earth, Netflix accidentally revealed a counterintuitive truth — under certain conditions, monoliths actually scale better.” Link