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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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Stopping the server safely and quickly

There are several modes you can use to stop the server, depending on the level of urgency. We'll compare the effects in each mode.

How to do it…

There are two variants: with and without systemd. This is similar to the previous recipe, Starting the database server manually, which we'll refer to for further information. For example, what is the exact name of the systemd service unit for a given database server on a given GNU/Linux distribution?

When using systemd, you can stop PostgreSQL using fast mode by issuing the following after replacing SERVICEUNIT with the appropriate systemd service unit name:

sudo systemctl stop SERVICEUNIT

If systemd is not available and you are using Debian or Ubuntu, the command is as follows, which applies to the default version 14 instance:

pg_ctlcluster 14 main stop -m fast

Fast mode is the default since...

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