The first query, and the simplest one, merely identifies the name and value for each setting that can only be modified by restarting PostgreSQL. In relation to all the available settings, this list is relatively short. However, there are a few notable settings that could affect us.
We already mentioned wal_level, shared_buffers, max_connections, and max_wal_senders in another recipe. However, this list also includes parameters related to SSL and WAL archival. We will eventually discuss WAL archival separately, so that leaves SSL. When setting up a secure PostgreSQL server that encrypts connection traffic, we require a host SSL certificate. If this certificate is ever compromised, we need to regenerate it. Unfortunately, we ...
