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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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Hot logical backups of all databases

If you have more than one database in your PostgreSQL server, you may want to take a logical backup of all of the databases at the same time.

How to do it…

Our recommendation is that you repeat exactly what you do for one database to each database in your cluster. You can run individual dumps in parallel if you want to speed things up.

Once this is complete, dump the global information using the following command:

pg_dumpall -g

How it works…

To back up all databases, you may be told that you need to use the pg_dumpall utility. The following are four good reasons why you shouldn't do that:

  • If you use pg_dumpall, the only output produced will be in a script file. Script files can't benefit from all the features of archive files, such as parallel and selective restore of pg_restore. By making your backup in this way, you will immediately deprive yourself of flexibility...

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