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PostgreSQL 13 Cookbook

You're reading from PostgreSQL 13 Cookbook

Product type Book

Published in Feb 2021

Publisher Packt

ISBN-13 9781838648138

Pages 344 pages

Edition 1st Edition

Languages

Concepts

Author (1):

Vallarapu Naga Avinash Kumar

Table of Contents (14) Chapters

Preface

1. Cluster Management Fundamentals

2. Cluster Management Techniques

3. Backup and Recovery

4. Advanced Replication Techniques

5. High Availability and Automatic Failover

6. Connection Pooling and Load Balancing

7. Securing through Authentication

8. Logging and Analyzing PostgreSQL Servers

9. Critical Services Monitoring

10. Extensions and Performance Tuning

11. Upgrades and Patches

12. About Packt

Why subscribe?

13. Other Books You May Enjoy

Upgrading to PostgreSQL 13 using the pglogical extension

In the previous recipe, we saw how the pglogical extension can be installed to perform logical replication between two PostgreSQL servers. Streaming replication does not allow replication between two different Postgres major versions. For this reason, we can use logical replication to perform replication between two different PostgreSQL versions to perform a migration without huge downtime. As an example, we could configure logical replication between the PostgreSQL 9.6 and 12 versions using the pglogical extension. As long as all the tables have primary keys, this procedure should work. In this recipe, we shall discuss the steps involved in performing a logical replication between multiple PostgreSQL versions using the pglogical extension.

Getting ready

In order to proceed with this approach, we need to have the pglogical extension installed in both the old and the new version of the PostgreSQL servers. We can use pglogical to...

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Authors (1)

Vallarapu Naga Avinash Kumar

Vallarapu Naga Avinash Kumar is currently working as a PostgreSQL Tech Lead at Percona. Before joining Percona, Avi worked as a Database Architect at OpenSCG for 2 Years and as a DBA Lead at Dell for 10 Years in Database technologies such as PostgreSQL, Oracle, MySQL and MongoDB. He has given several talks and trainings on PostgreSQL. He has good experience in performing Architectural Health Checks, Performance Tuning and Migrations to PostgreSQL Environments. He has also co-authored a book - Beginning PostgreSQL on Cloud that gives an introduction to building PostgreSQL on AWS, Microsoft Azure, Google Cloud and Rackspace cloud platforms. He has been a speaker at several PostgreSQL conferences in North America, Europe and Asia every year and continuing to blog on PostgreSQL.

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