VACUUM VACUUM — garbage-collect and optionally analyze a database Synopsis VACUUM [ ( option [, ...] ) ] [ table_and_columns …| PostgreSQL Documentation
This article highlights the new PostgreSQL v18 feature for keeping the optimizer statistics during a major upgrade.| CYBERTEC PostgreSQL | Services & Support
19.10. Vacuuming # 19.10.1. Automatic Vacuuming 19.10.2. Cost-based Vacuum Delay 19.10.3. Default Behavior 19.10.4. Freezing These parameters control vacuuming behavior. For …| PostgreSQL Documentation
19.9. Run-time Statistics # 19.9.1. Cumulative Query and Index Statistics 19.9.2. Statistics Monitoring 19.9.1. Cumulative Query and Index Statistics # These parameters …| PostgreSQL Documentation
19.4. Resource Consumption # 19.4.1. Memory 19.4.2. Disk 19.4.3. Kernel Resource Usage 19.4.4. Background Writer 19.4.5. I/O 19.4.6. Worker Processes 19.4.1. Memory …| PostgreSQL Documentation