Langauge is rarely the first bottle neck . This also doesn't apply in the same away for data stores and when your app is stateful. Scaling rdbms is not the simp

Langauge is rarely the first bottle neck . This also doesn't apply in the same away for data stores and when your app is stateful. Scaling rdbms is not the simple. Query fine tunning and performance optimisation for single slow queries cannot be solved by just more resources. Just from a database pov Handling replication , multi master caching , backup and fail over especially can fuck you over . In b2b a single data loss event can kill your business, same with security .