Complex and error-prone autovacuum configuration

Configuring autovacuum correctly is challenging due to its complexity. Default global settings are inappropriate for large tables with millions/billions of tuples. If autovacuum invocations take too long or are blocked, dead tuples accumulate and statistics become stale, causing gradual query slowdown. Manual intervention is often required.

Sources

• https://wippler.dev/posts/postgresql-is-terrible
• https://www.cs.cmu.edu/~pavlo/blog/2023/06/yes-postgresql-has-problems-but-were-sticking-with-it.html

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