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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
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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

Scheduling jobs for regular background execution

Normal user tasks cause the user to wait while the task executes. Frequently, there is a requirement to run tasks or “jobs” in the background without the user present, which is referred to as a job scheduler component. You can use cron, but some users look for an in-database solution.

pgAgent is our recommended job scheduler for Postgres, which isn’t supplied as part of the pgAdmin package, but as a separate component. pgAgent can be operated from the pgAdmin GUI or using a simple command-line API. pgAgent keeps a history of job executions so that you can see what is happening and what is not happening.

Getting ready

If you want to manage a new database from an existing pgAgent installation, then you don’t need to prepare anything. If you want to set up a new pgAgent database, execute the following command:

CREATE EXTENSION pgagent;

pgAgent is an external program, not a binary plugin...

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