Book Image

PostgreSQL High Performance Cookbook

By : Chitij Chauhan, Dinesh Kumar
Book Image

PostgreSQL High Performance Cookbook

By: Chitij Chauhan, Dinesh Kumar

Overview of this book

PostgreSQL is one of the most powerful and easy to use database management systems. It has strong support from the community and is being actively developed with a new release every year. PostgreSQL supports the most advanced features included in SQL standards. It also provides NoSQL capabilities and very rich data types and extensions. All of this makes PostgreSQL a very attractive solution in software systems. If you run a database, you want it to perform well and you want to be able to secure it. As the world’s most advanced open source database, PostgreSQL has unique built-in ways to achieve these goals. This book will show you a multitude of ways to enhance your database’s performance and give you insights into measuring and optimizing a PostgreSQL database to achieve better performance. This book is your one-stop guide to elevate your PostgreSQL knowledge to the next level. First, you’ll get familiarized with essential developer/administrator concepts such as load balancing, connection pooling, and distributing connections to multiple nodes. Next, you will explore memory optimization techniques before exploring the security controls offered by PostgreSQL. Then, you will move on to the essential database/server monitoring and replication strategies with PostgreSQL. Finally, you will learn about query processing algorithms.
Table of Contents (19 chapters)
PostgreSQL High Performance Cookbook
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Customer Feedback
Preface

Introduction


Indexes are in essence a database structure that speeds up fetching the data access operations. Indexes are basically used to boost database performance by rapidly locating data without having to search every row in the database table every time it is accessed. Data access via indexes is known as an indexed scan and it is used to provide random lookups and organized access of ordered records. In this chapter, we are going to talk about indexes, performing maintenance operations on indexes, and comparing indexed and sequential scans:

  • One of the major responsibilities of a DB admin is to use some third-party tools to manage the database as not all can be done through scripting. Every tool is designed for a specific purpose and can be utilized as per our requirements.

  • In this chapter, we are going to cover tools such as Barman and OmniPITR, which are related to backup/recovery and WAL management, repmgr for auto-failover and setting up replicas in an easy way, and Walctl to create...