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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

Product type Paperback

Published in Mar 2022

Publisher Packt

ISBN-13 9781803248974

Length 608 pages

Edition 1st Edition

Tools

PostgreSQL

Concepts

Databases

Authors (2):

Gianni Ciolli

Simon Riggs

View More author details

Table of Contents (14) Chapters

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

Delaying, pausing, and synchronizing replication

Some advanced features and thoughts for replication are covered here.

Getting ready

If you have multiple standby servers, you may want to have one or more servers operating in a delayed apply state—for example, 1 hour behind the primary. This can be useful to help recover from user errors such as mistaken transactions or dropped tables without having to perform a PITR.

How to do it…

Normally, a standby will apply changes as soon as possible. When you set the recovery_min_apply_delay parameter in recovery.conf, the application of commit records will be delayed by the specified duration. Note that only commit records are delayed, so you may receive Hot Standby cancelations when using this feature. You can prevent that in the usual way by setting hot_standby_feedback to on, but use this with caution since it can cause...

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Authors (2)

Simon Riggs

Simon Riggs

Simon Riggs is the CTO of 2ndQuadrant, having contributed to PostgreSQL as a major developer and committer for 14 years. He has written and designed features for replication, performance, BI, management, and security. Under his guidance, 2ndQuadrant is now a leading developer of open source PostgreSQL, serving hundreds of clients in USA, Europe, and worldwide. Simon is a frequent speaker at many conferences on PostgreSQL Futures. He has worked as a database architect for 30 years.

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GIANNI CIOLLI

GIANNI CIOLLI

Gianni Ciolli is the head of professional services at 2ndQuadrant and has been a PostgreSQL consultant, trainer, and speaker at many PostgreSQL conferences in Europe and abroad over the last 10 years. He has a PhD in Mathematics from the University of Florence. He has worked with free and open source software since the 1990s and is active in the community (the Prato Linux User Group and the Italian PostgreSQL Users Group). He lives in London with his son. His other interests include music, drama, poetry, and athletics.

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