Book Image

PostgreSQL 14 Administration Cookbook

By : Simon Riggs, Gianni Ciolli
5 (1)
Book Image

PostgreSQL 14 Administration Cookbook

5 (1)
By: Simon Riggs, Gianni Ciolli

Overview of this book

PostgreSQL is a powerful, open-source database management system with an enviable reputation for high performance and stability. With many new features in its arsenal, PostgreSQL 14 allows you to scale up your PostgreSQL infrastructure. With this book, you'll take a step-by-step, recipe-based approach to effective PostgreSQL administration. This book will get you up and running with all the latest features of PostgreSQL 14 while helping you explore the entire database ecosystem. You’ll learn how to tackle a variety of problems and pain points you may face as a database administrator such as creating tables, managing views, improving performance, and securing your database. As you make progress, the book will draw attention to important topics such as monitoring roles, validating backups, regular maintenance, and recovery of your PostgreSQL 14 database. This will help you understand roles, ensuring high availability, concurrency, and replication. Along with updated recipes, this book touches upon important areas like using generated columns, TOAST compression, PostgreSQL on the cloud, and much more. By the end of this PostgreSQL book, you’ll have gained the knowledge you need to manage your PostgreSQL 14 database efficiently, both in the cloud and on-premise.
Table of Contents (14 chapters)

Using repmgr

As we stated previously, replication is great, provided that it works; it works well if it's understood, and it works even better if it's tested. This is a great reason to use the repmgr utility.

repmgr is an open source tool that was designed specifically for PostgreSQL replication. To get additional information about repmgr, visit

The repmgr utility provides a command-line interface (CLI) and a management process (daemon) that's used to monitor and manage PostgreSQL servers involved in replication. The repmgr utility easily supports more than two nodes with automatic failover detection.

Getting ready

Install the repmgr utility from binary packages on each PostgreSQL node.

Set up replication security and network access between nodes according to the Setting up streaming replication security recipe.

How to do it…

The repmgr ...