Squeeze the hell out of the system you have

The article discusses the importance of addressing database performance issues and suggests that before jumping to more complex solutions, it is beneficial to first optimize the existing system. The author provides an example of how their team was able to reduce CPU usage on their overloaded Postgres database by identifying and eliminating heavy queries, tuning settings, and offloading read-only queries to a replica database. This approach not only improved performance but also increased the team's knowledge and ability to further optimize the system if needed.