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Re:Why Twilio Segment Moved from Microservices Back to a Mon... by pdimitar on Sunday December 14, 2025 @09:16AM (#46263141)
Generalizations don't help almost any discussion. Even if that's 100% of what you ever saw, many people have seen mixed (or entirely in the other extreme).

> In every monolith, people violate separation of concerns and things are tightly coupled. I have only ever seen good engineering velocity happen when teams are decoupled from one another. I have only seen this happen in a (micro) service architecture.

I would write this off as indifferent or incompetent tech leadership. Even languages that people call obscure -- like Elixir that I mostly work with -- have excellent libraries and tools that can help you draw enforceable boundaries. Put that in CI or even in pre-commit hook. Job done.

Why was that never done?

Of course people will default to the easier route. It's on tech leadership to keep them to higher standards.

Re:Why Twilio Segment Moved from Microservices Back to a Mon... by sethammons on Sunday December 14, 2025 @10:27AM (#46263706)
Funny you mention Elixir. At one company, we passed around Ecto querysets. It started when the company was smaller. Then someone needed a little bit of analytics. And a few years of organic growth later and the system was bogged down. Queries where joining all over the place, and separating out the analytics from everything else was, again, a major undertaking.

I would love to see a counter example in real life at an org with over a dozen teams. A well working monolith and a well working monorepo are like unicorns; I don't believe they exist and everyone is talking about and trying to sell their mutant goat as one.

Re:Why Twilio Segment Moved from Microservices Back to a Mon... by pdimitar on Sunday December 14, 2025 @10:59AM (#46263973)
I am not selling you anything so you're starting off from a wrong premise.

What I said is that you should consider your experience prone to a bubble environment and as such it's very anecdotal. So is mine (a mix), granted. Which only means that neither extreme dominates out there. Likely a normal bell curve distribution.

What I did say (along with others) was that a little bit of technical discipline -- accentuating on "little" here -- nullifies the stated benefits of microservice architecture.

And it seems to me that the microservice architecture was chosen to overcome organizational problems, not technical ones.