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PostgreSQL 16 Administration Cookbook

PostgreSQL 16 Administration Cookbook

By : GIANNI CIOLLI, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs
4.8 (27)
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PostgreSQL 16 Administration Cookbook

PostgreSQL 16 Administration Cookbook

4.8 (27)
By: GIANNI CIOLLI, Boriss Mejías, Jimmy Angelakos, Vibhor Kumar, Simon Riggs

Overview of this book

PostgreSQL has seen a huge increase in its customer base in the past few years and is becoming one of the go-to solutions for anyone who has a database-specific challenge. This PostgreSQL book touches on all the fundamentals of Database Administration in a problem-solution format. It is intended to be the perfect desk reference guide. This new edition focuses on recipes based on the new PostgreSQL 16 release. The additions include handling complex batch loading scenarios with the SQL MERGE statement, security improvements, running Postgres on Kubernetes or with TPA and Ansible, and more. This edition also focuses on certain performance gains, such as query optimization, and the acceleration of specific operations, such as sort. It will help you understand roles, ensuring high availability, concurrency, and replication. It also draws your attention to aspects like validating backups, recovery, monitoring, and scaling aspects. This book will act as a one-stop solution to all your real-world database administration challenges. By the end of this book, you will be able to manage, monitor, and replicate your PostgreSQL 16 database for efficient administration and maintenance with the best practices from experts.
Table of Contents (15 chapters)
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13
Other Books You May Enjoy
14
Index

Using repmgr

As we stated previously, replication is great, provided that it works. It works well if it’s understood, and it works even better if it’s tested. This is a great reason to use the repmgr utility.

repmgr is an open source tool that was designed specifically for PostgreSQL replication. To get additional information about repmgr, visit https://www.repmgr.org/.

The repmgr utility provides a command-line interface (CLI) and a management process (daemon) that’s used to monitor and manage PostgreSQL servers involved in replication. The repmgr utility easily supports more than two nodes with automatic failover detection.

Getting ready

Install the repmgr utility from binary packages on each PostgreSQL node.

Set up replication security and network access between nodes according to the Setting up streaming replication security recipe.

How to do it…

The repmgr utility provides a set of single command-line actions that perform...

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