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PostGIS Cookbook. - Second Edition

You're reading from  PostGIS Cookbook. - Second Edition

Product type Book
Published in Mar 2018
Publisher
ISBN-13 9781788299329
Pages 584 pages
Edition 2nd Edition
Languages
Authors (6):
Paolo Corti Paolo Corti
Profile icon Paolo Corti
Pedro Wightman Pedro Wightman
Profile icon Pedro Wightman
Bborie Park Bborie Park
Profile icon Bborie Park
Stephen Vincent Mather Stephen Vincent Mather
Profile icon Stephen Vincent Mather
Thomas Kraft Thomas Kraft
Profile icon Thomas Kraft
Mayra Zurbarán Mayra Zurbarán
Profile icon Mayra Zurbarán
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Table of Contents (18) Chapters

Title Page
Packt Upsell
Contributors
Preface
1. Moving Data In and Out of PostGIS 2. Structures That Work 3. Working with Vector Data – The Basics 4. Working with Vector Data – Advanced Recipes 5. Working with Raster Data 6. Working with pgRouting 7. Into the Nth Dimension 8. PostGIS Programming 9. PostGIS and the Web 10. Maintenance, Optimization, and Performance Tuning 11. Using Desktop Clients 12. Introduction to Location Privacy Protection Mechanisms 1. Other Books You May Enjoy Index

Replicating a PostGIS database with streaming replication


The reality of the world is that, given enough time, everything will break. This includes the hardware and software of computers running PostgreSQL. To protect data in PostgreSQL from corruption or loss, backups are taken using tools such as pg_dump. However, restoring a database backup can take a very long time, during which users cannot use the database.

When downtime must be kept to a minimum or is not acceptable, one or more standby servers are used to compensate for the failed primary PostgreSQL server. The data on the standby server is kept in sync with the primary PostgreSQL server by streaming data as frequently as possible.

In addition, you are strongly discouraged from trying to mix different PostgreSQL versions. Primary and standby servers must run the same PostgreSQL version.

Getting ready

In this recipe, we will use the streaming replication capability introduced in PostgreSQL 9.X. This recipe will use one server with two...

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