
Evolve or Rewrite? 7 Architectural Differences
You can usually tell within five minutes of an architecture review whether a team is going to evolve its system or eventually declare bankruptcy and start over. The signals are

You can usually tell within five minutes of an architecture review whether a team is going to evolve its system or eventually declare bankruptcy and start over. The signals are

You have probably sat through architecture reviews that felt like theater. Slides polished. Diagrams immaculate. Everyone nodding. Then three months later, you are firefighting cascading timeouts in production because a

You shipped your first retrieval augmented generation feature in a sprint. The demo worked. Semantic search felt magical. Six months later, relevance is drifting, infra costs are spiking, and your

You know the moment. The roadmap is slipping, the board wants a launch date, and your team is one migration or refactor away from missing the quarter. Someone suggests a

At some point, every production database surprises you. It might be a sudden spike in write latency at 2:00 a.m., or a replica that falls behind for no obvious reason.

You have probably lived this cycle. Roadmap pressure spikes, leadership wants visible progress, and the team starts measuring success by tickets closed per sprint. For a few quarters, velocity looks

You only notice database vacuuming when something goes wrong. Queries that used to run in 20 milliseconds now take 300. Autovacuum spikes CPU at the worst possible time. Disk usage

Architecture discussions rarely fail because someone does not know the right pattern. They fail because the room cannot converge on what is true, what is risky, and what is worth

You have seen this movie before. An RFC starts with good intent: a real problem, real engineers, real stakes. Two weeks later, it has 120 comments, three competing diagrams, and