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PostgreSQL 16 Administration Cookbook

PostgreSQL 16 Administration Cookbook

By : GIANNI CIOLLI, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs
4.8 (27)
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PostgreSQL 16 Administration Cookbook

PostgreSQL 16 Administration Cookbook

4.8 (27)
By: GIANNI CIOLLI, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs

Overview of this book

PostgreSQL has seen a huge increase in its customer base in the past few years and is becoming one of the go-to solutions for anyone who has a database-specific challenge. This PostgreSQL book touches on all the fundamentals of Database Administration in a problem-solution format. It is intended to be the perfect desk reference guide. This new edition focuses on recipes based on the new PostgreSQL 16 release. The additions include handling complex batch loading scenarios with the SQL MERGE statement, security improvements, running Postgres on Kubernetes or with TPA and Ansible, and more. This edition also focuses on certain performance gains, such as query optimization, and the acceleration of specific operations, such as sort. It will help you understand roles, ensuring high availability, concurrency, and replication. It also draws your attention to aspects like validating backups, recovery, monitoring, and scaling aspects. This book will act as a one-stop solution to all your real-world database administration challenges. By the end of this book, you will be able to manage, monitor, and replicate your PostgreSQL 16 database for efficient administration and maintenance with the best practices from experts.
Table of Contents (15 chapters)
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13
Other Books You May Enjoy
14
Index

Controlling automatic database maintenance

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 regarding 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 VACUUM commands efficiently.

Getting ready

Exercising control requires some thinking about what you want:

  • What are the best times of day to perform maintenance activities? 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?

How to do it…

The first thing you must do is make sure that autovacuum is switched on, which is the default. Check that you have the following parameters enabled in your postgresql.conf file:

autovacuum = on
track_counts = on

PostgreSQL controls...

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