PostgreSQL configuration and management are overly complex with many non-obvious settings

PostgreSQL requires extensive tuning across memory management, vacuum, background writer, write-ahead log, and free-space map settings. Configuration files are long with many unnecessary options for typical users. Default logging is unhelpful for new users, and there is no built-in out-of-band monitoring to diagnose startup failures or query issues without manually launching backends.

Sources

• https://www.compilenrun.com/docs/database/postgresql/postgresql-best-practices/postgresql-common-pitfalls/
• https://wiki.postgresql.org/wiki/Usability_Challenges
• https://www.siriusopensource.com/en-us/blog/postgres-problems-what-are-challenges-using-postgresql-enterprise

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