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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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Accessing multiple servers using the same host and port

We will now show you one simple, yet important, application of the previous recipe, Setting up a connection pool. In that recipe, you learned how to reuse connections with PgBouncer, and thus reduce the cost of disconnecting and reconnecting.

Here, we will demonstrate another way to use PgBouncer – one instance can connect to databases hosted by different database servers at the same time. These databases can be on separate hosts and can even have different major versions of PostgreSQL!

Getting ready

Suppose we have three database servers, each one hosting one database. All you need to know beforehand is the connection string for each database server.

More complex arrangements are possible, but those are left to you as an exercise.

Before you try this recipe, you should have already gone through the previous recipe. These two recipes have many steps in common, but we've kept them separate because...

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