Book Image

PostgreSQL 10 Administration Cookbook - Fourth Edition

By : Simon Riggs, Gianni Ciolli
Book Image

PostgreSQL 10 Administration Cookbook - Fourth Edition

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 10 allows users to scale up their PostgreSQL infrastructure. This book takes a step-by-step, recipe-based approach to effective PostgreSQL administration. Throughout this book, you will be introduced to these new features such as logical replication, native table partitioning, additional query parallelism, and much more. You will learn how to tackle a variety of problems that are basically the pain points for any database administrator - from creating tables to managing views, from improving performance to securing your database. More importantly, the book pays special attention to topics such as monitoring roles, backup, and recovery of your PostgreSQL 10 database, ensuring high availability, concurrency, and replication. By the end of this book, you will know everything you need to know to be the go-to PostgreSQL expert in your organization.
Table of Contents (14 chapters)

Incremental/differential backup and restore

If you have performance problems with a backup of a large PostgreSQL database, then you may consider incremental or differential backups.

An incremental backup is a backup of all files that have changed since the last backup, either incremental or full. In order to restore a given incremental backup, you must restore the full backup and then all the incremental backups in between.

A differential backup is a backup of all individual changes since the last full backup. In order to restore a differential backup you need only that backup and the full backup it refers to.

How to do it...

To perform a differential physical backup, you can use rsync to compare the existing files against...