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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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Major upgrades online

Upgrading between major releases is hard, and should be deferred until you have some good reasons and sufficient time to get it right.

You can use replication tools to minimize the downtime required for an upgrade, so we refer to this recipe as an online upgrade.

How to do it…

The following general steps should be followed, allowing at least a month for the complete process to ensure that everything is tested and everybody understands the implications:

  1. Set up a new release of the software on a new test system.
  2. Take a standalone backup from the main system and copy it to the test system.
  3. Test the applications extensively against the new release on the test system.

When everything works and performs correctly, then proceed to the next step.

  1. Set up a connection pooler to the main database (it may be there already).
  2. Set up logical replication for all tables from the old to new database servers...

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