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Learn PostgreSQL

You're reading from   Learn PostgreSQL Use, manage, and build secure and scalable databases with PostgreSQL 16

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Product type Paperback
Published in Oct 2023
Publisher Packt
ISBN-13 9781837635641
Length 744 pages
Edition 2nd Edition
Languages
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Authors (2):
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Luca Ferrari Luca Ferrari
Author Profile Icon Luca Ferrari
Luca Ferrari
Enrico Pirozzi Enrico Pirozzi
Author Profile Icon Enrico Pirozzi
Enrico Pirozzi
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Toc

Table of Contents (22) Chapters Close

Preface 1. Introduction to PostgreSQL 2. Getting to Know Your Cluster FREE CHAPTER 3. Managing Users and Connections 4. Basic Statements 5. Advanced Statements 6. Window Functions 7. Server-Side Programming 8. Triggers and Rules 9. Partitioning 10. Users, Roles, and Database Security 11. Transactions, MVCC, WALs, and Checkpoints 12. Extending the Database – the Extension Ecosystem 13. Query Tuning, Indexes, and Performance Optimization 14. Logging and Auditing 15. Backup and Restore 16. Configuration and Monitoring 17. Physical Replication 18. Logical Replication 19. Useful Tools and Extensions 20. Other Books You May Enjoy
21. Index

Configuration and Monitoring

One of the duties of a database administrator is to configure the cluster so that it behaves well for the current workload and context. The configuration is not static: most of the time, you will find yourself making changes to the configuration, so it is important that you feel comfortable with inspecting and changing the cluster’s configuration.

Another important task, partially related to configuration, is monitoring the cluster in order to understand how the system is actually behaving and whether there are bottlenecks and problems to be solved. Such problems can sometimes be solved by making changes to the configuration of the cluster, by using different hardware (for example, increasing the available memory), and by fixing the applications that could be causing the bottleneck.

This chapter will show you how to manage and inspect the cluster configuration, generate a configuration from scratch, find errors and mistakes in the current...

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