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PostgreSQL 16 Administration Cookbook

You're reading from   PostgreSQL 16 Administration Cookbook Solve real-world Database Administration challenges with 180+ practical recipes and best practices

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Product type Paperback
Published in Dec 2023
Publisher Packt
ISBN-13 9781835460580
Length 636 pages
Edition 1st Edition
Languages
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Authors (5):
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Boriss Mejías Boriss Mejías
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Boriss Mejías
Jimmy Angelakos Jimmy Angelakos
Author Profile Icon Jimmy Angelakos
Jimmy Angelakos
Simon Riggs Simon Riggs
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Simon Riggs
Gianni Ciolli Gianni Ciolli
Author Profile Icon Gianni Ciolli
Gianni Ciolli
Vibhor Kumar Vibhor Kumar
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Vibhor Kumar
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Toc

Table of Contents (15) Chapters Close

Preface 1. First Steps 2. Exploring the Database FREE CHAPTER 3. Server Configuration 4. Server Control 5. Tables and Data 6. Security 7. Database Administration 8. Monitoring and Diagnosis 9. Regular Maintenance 10. Performance and Concurrency 11. Backup and Recovery 12. Replication and Upgrades 13. Other Books You May Enjoy
14. Index

Performance and Concurrency

Performance and concurrency are two problems that are often tightly coupled—when concurrency problems are encountered, performance usually degrades, in some cases by a lot. If you take care of concurrency problems, you will achieve better performance.

In this chapter, you will see how to find slow queries and how to find queries that make other queries slow.

Performance tuning, unfortunately, is still not an exact science, so you may also encounter a performance problem that’s not covered by any of the given methods.

We will also see how to get help in the final recipe, Reporting performance problems, if none of the other recipes that are covered here work.

In this chapter, we will cover the following recipes:

  • Finding slow SQL statements
  • Finding out what makes SQL slow
  • Reducing the number of rows returned
  • Simplifying complex SQL queries
  • Speeding up queries without rewriting them
  • Discovering...
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