PostgreSQL is one of the leading open-source databases, but, out of the box, the default PostgreSQL configuration is not tuned for any workload. Thus, any system with the least resources can run it. PostgreSQL does not give optimum performance on high permanence machines because it is not using all available resources. PostgreSQL provides a system [&]

https://www.percona.com/blog/2021/01/14/webinar-january-28-tuning-postgresql-for-high-performance-and-optimization/