Optimizing Postgres's Autovacuum for High-Churn Tables
Database systems use various techniques to ensure transactionality and performance. For Postgres, this is called MVCC (Multi-Version Concurrency Control). MVCC allows Postgres to provide great performance even when multiple clients could be working with the same table concurrently.
Samay Sharma Multi Version Concurrency Control Vacuum Delay Optimal System Performance Tuning Auto Vacuum Scale Factors Quick Siesta
Source: tembo.io