Autovacuum is enabled by default in PostgreSQL and mostly does a great job of maintaining your PostgreSQL database. We say mostly because it doesn't know everything you do about the database, such as the best time to perform maintenance actions. Let's explore the settings that can be tuned so that you can use vacuums efficiently.
Exercising control requires some thinking about what you actually want:
- What are the best times of day to do things? When are system resources more available?
- Which days are quiet, and which are not?
- Which tables are critical to the application, and which are not?
Perform the following steps:
autovacuum = on track_counts = on
- PostgreSQL controls
autovacuum
with more than 40 individually tunable parameters that provide a wide range of...