Book Image

PostgreSQL 11 Administration Cookbook

By : Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala
Book Image

PostgreSQL 11 Administration Cookbook

By: Simon Riggs, Gianni Ciolli, Sudheer Kumar Meesala

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 11 allows you to scale up your PostgreSQL infrastructure. This book takes a step-by-step, recipe-based approach to effective PostgreSQL administration. The book will introduce you to new features such as logical replication, native table partitioning, additional query parallelism, and much more to help you to understand and control, crash recovery and plan backups. You will learn how to tackle a variety of problems and pain points for any database administrator such as creating tables, managing views, improving performance, and securing your database. As you make steady progress, the book will draw attention to important topics such as monitoring roles, backup, and recovery of your PostgreSQL 11 database to help you understand roles and produce a summary of log files, ensuring high availability, concurrency, and replication. By the end of this book, you will have the necessary knowledge to manage your PostgreSQL 11 database efficiently.
Table of Contents (19 chapters)
Title Page
Copyright and Credits
About Packt
Contributors
Preface
Index

Chapter 11. Backup and Recovery

Most people admit that backups are essential, though they also devote a very small amount of time to thinking about the topic.

The first recipe is about understanding and controlling crash recovery. You need to understand what happens if the database server crashes so that you can understand whether you need to perform a recovery operation.

The next recipe is all about planning. That's really the best place to start before you perform backups.

The physical backup mechanisms here were initially written by Simon Riggs (one of the authors of this book) for PostgreSQL 8.0 in 2004 and have been supported by him ever since, now with increasing help from the community as its popularity grows. 2ndQuadrant has also been providing database recovery services since 2004, and regrettably, many people have needed them as a result of missing or damaged backups.

It is important to note that, in the last few years, the native streaming replication protocol has become more and...