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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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Setting configuration parameters for the database server

The parameter file is the main location that's used for defining parameter values for the PostgreSQL server. All the parameters can be set in the parameter file, which is known as postgresql.conf. There are also two other parameter files: pg_hba.conf and pg_ident.conf. Both of these relate to connections and security, so we'll cover them in later chapters.

Getting ready

In the pg_settings view, the context defines when each parameter can be set. The following table categorizes this so that we can see what action is needed for changes to take effect. SET is a command, but RELOAD and RESTART are actions, not specific commands. What is RESTART ALL? Some parameters marked POSTMASTER are marked as exceptions in the following table. These parameters must be set to a value less than or equal to their setting on standby. As a result, to increase them on the primary, we must first increase...

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