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PostgreSQL Administration Cookbook, 9.5/9.6 Edition - Third Edition

You're reading from PostgreSQL Administration Cookbook, 9.5/9.6 Edition - Third Edition

Product type Book

Published in Apr 2017

Publisher

ISBN-13 9781785883187

Pages 556 pages

Edition 3rd Edition

Languages

Concepts

Database Administration

Table of Contents (13) Chapters

Preface

1. First Steps

2. Exploring the Database

3. 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

Incremental/differential backup and restore

If you have performance problems with a backup of a large PostgreSQL database, then you may consider incremental or differential backups.

An incremental backup is a backup of all files that have changed since the last full backup.
In order to perform a restore, you must restore the full backup and then each set of incremental changes.

A differential backup is a backup of all individual changes since the last full backup. Again, restore requires you to restore the full backup and then apply any changes since then.

How to do it...

To perform a differential physical backup, you can use rsync to compare the existing files against the previous full backup, and then overwrite only the...

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