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

Managing PgBouncer


PgBouncer provides an administrative console to view pool status and client connections. In this recipe we are going to see information regarding PgBouncer connections, client connections, view pool status, and obtaining connection pooling statistics.

Getting ready

Before we issue any commands we first need to connect to the PgBouncer's administrative console. For this purpose we need to set the admin_users parameter in the pgbouncer.ini configuration file:

vi /etc/pgbouncer/pgbouncer.ini 
 
admin_users = author 

Once the preceding changes are saved in the pgbouncer.ini configuration file the PgBouncer service needs to be restarted in order to ensure that the parameter changes come into effect:

service pgbouncer restart

Once this is done we can then make connections to the PgBouncer administration console with the following command:

 psql -p 6432 -U author pgbouncer 

How to do it...

With the help of the PgBouncer administration console we can get information...