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Mastering PostgreSQL 15 - Fifth Edition

You're reading from  Mastering PostgreSQL 15 - Fifth Edition

Product type Book
Published in Jan 2023
Publisher Packt
ISBN-13 9781803248349
Pages 522 pages
Edition 5th Edition
Languages
Author (1):
Hans-Jürgen Schönig Hans-Jürgen Schönig
Profile icon Hans-Jürgen Schönig

Table of Contents (16) Chapters

Preface 1. Chapter 1: PostgreSQL 15 Overview 2. Chapter 2: Understanding Transactions and Locking 3. Chapter 3: Making Use of Indexes 4. Chapter 4: Handling Advanced SQL 5. Chapter 5: Log Files and System Statistics 6. Chapter 6: Optimizing Queries for Good Performance 7. Chapter 7: Writing Stored Procedures 8. Chapter 8: Managing PostgreSQL Security 9. Chapter 9: Handling Backup and Recovery 10. Chapter 10: Making Sense of Backups and Replication 11. Chapter 11: Deciding on Useful Extensions 12. Chapter 12: Troubleshooting PostgreSQL 13. Chapter 13: Migrating to PostgreSQL 14. Index 15. Other Books You May Enjoy

Gathering runtime statistics

The first thing you really have to understand is what features PostgreSQL’s onboard statistics have to offer and how to use them. In my opinion, there is no way to improve performance and reliability without collecting the necessary data to make prudent decisions.

This section will guide you through PostgreSQL’s runtime statistics and explain how you can extract more runtime information from your database setups.

Working with PostgreSQL system views

PostgreSQL offers a large set of system views that allow administrators and developers alike to take a deep look into what is really going on in their system. The trouble is that many people actually collect all this data but cannot make real sense of it. The general rule is this: there is no point in drawing a graph for something you don’t understand anyway. Therefore, the goal of this section is to shed some light on what PostgreSQL has to offer to hopefully make it easier for...

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