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Mastering PostgreSQL 13

You're reading from   Mastering PostgreSQL 13 Build, administer, and maintain database applications efficiently with PostgreSQL 13

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Product type Paperback
Published in Nov 2020
Publisher Packt
ISBN-13 9781800567498
Length 476 pages
Edition 4th Edition
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Author (1):
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Hans-Jürgen Schönig Hans-Jürgen Schönig
Author Profile Icon Hans-Jürgen Schönig
Hans-Jürgen Schönig
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Table of Contents (15) Chapters Close

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

Gathering runtime statistics

The first thing you really have to learn is to understand 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 out 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 users...

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