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

Upgrading minor releases

Minor release upgrades are released regularly by all software developers, and PostgreSQL has had its share of corrections. When a minor release occurs, we bump the last number, usually by one. So, the first release of a major release such as 11 is 11.0. The first set of bug fixes is 11.1, then 11.2, and so on.

The PostgreSQL Community releases new bug fixes quarterly. If you want bug fixes more frequently than that, you will need to subscribe to a PostgreSQL support company. This recipe is about moving from a minor release to a minor release.

Getting ready

First, get hold of the new release, by downloading either the source or fresh binaries.

How to do it…

In most cases, PostgreSQL aims for minor releases to be simple upgrades. We put in great efforts to keep the on-disk format the same for both data/index files and transaction log (WAL) files, but this isn't always the case; some files can change.

The upgrade process is as follows:

  1. Read the release notes to see whether...