In Chapter 11, Deciding on Useful Extensions, you learned about some useful extensions that are widely adopted and that can give your deployment a real boost. Following up, you will now be introduced to PostgreSQL troubleshooting. The idea is to give you a systematic approach to inspecting and fixing your system.
The following topics will be of interest:
- Approaching an unknown database
- Gaining a brief overview
- Identifying the key bottlenecks
- Handling storage corruption
- Inspecting broken replicas
Keep in mind that many things can go wrong, so it is important to professionally monitor the database.
