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PostgreSQL 14 Administration Cookbook

You're reading from   PostgreSQL 14 Administration Cookbook Over 175 proven recipes for database administrators to manage enterprise databases effectively

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Product type Paperback
Published in Mar 2022
Publisher Packt
ISBN-13 9781803248974
Length 608 pages
Edition 1st Edition
Concepts
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Authors (2):
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Gianni Ciolli Gianni Ciolli
Author Profile Icon Gianni Ciolli
Gianni Ciolli
Simon Riggs Simon Riggs
Author Profile Icon Simon Riggs
Simon Riggs
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Toc

Table of Contents (14) Chapters Close

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

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 is supplied as part of the pgAdmin package, but 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, so you do not need to modify...

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