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)

Running multiple servers on one system

Running multiple PostgreSQL servers on one physical system is possible if it is convenient for your needs.

Getting ready

Once again, make sure that you've read the Deciding on a design for multitenancy recipe so that you're certain this is the route you wish to take. Other options exist, and they may be preferable in some cases.

How to do it…

The core version of PostgreSQL easily allows multiple servers to run on the same system, but there are a few wrinkles to be aware of.

Some installer versions create a PostgreSQL data directory named data. When this happens, it gets a little difficult to have more than one data directory without using different directory structures and names.

Debian/Ubuntu packagers chose a layout specifically designed to allow multiple servers potentially running with different software release levels. You may remember this from the Locating the database...