Book Image

PostgreSQL 14 Administration Cookbook

By : Simon Riggs, Gianni Ciolli
5 (1)
Book Image

PostgreSQL 14 Administration Cookbook

5 (1)
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)

Recovery to a point in time

If your database suffers a problem at 3:22 p.m. and your backup was taken at 4:00 a.m., you're probably hoping there is a way to recover the changes made between those two times. What you need is known as Point-in-Time Recovery (PITR).

Regrettably, if you've made a backup with the pg_dump utility at 4:00 a.m., then you won't be able to recover to any other time. As a result, the term PITR has become synonymous with the physical backup and restore technique in PostgreSQL.

Getting ready

If you have a backup made with pg_dump utility, then give up all hope of using that as a starting point for a PITR. It's a frequently asked question, but the answer is still no. The reason it gets asked is exactly why we are pleading with you to plan your backups ahead of time.

First, you need to decide the point in time you would like to recover to. If the answer is as late as possible,...