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PostgreSQL 14 Administration Cookbook

PostgreSQL 14 Administration Cookbook

By : Simon Riggs, GIANNI CIOLLI
4.3 (15)
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PostgreSQL 14 Administration Cookbook

PostgreSQL 14 Administration Cookbook

4.3 (15)
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)
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Reloading the server configuration files

Some PostgreSQL configuration parameters can only be changed by reloading the entire configuration files. Note that in some cloud-based database services, this occurs automatically when parameters are changed, so this is not relevant.

How to do it…

There are two variants of this recipe, depending on whether you are using systemd. This is similar to the previous recipes in this chapter, especially the Starting the database server manually recipe. More details are provided there, such as the exact names of the systemd service units, depending on which database server you want to reload, and which GNU/Linux distribution you are working on.

With systemd, configuration files can be reloaded with the following syntax:

sudo systemctl reload SERVICEUNIT

Here, SERVICEUNIT must be replaced with the exact name of the systemd service unit for the server(s) that you want...

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